In 2003 a disease called SARS was a major concern for health officials. SARS is a very contagious respiratory disease. People were infected by SARS in several countries. Fortunately, health officials worked quickly to get the disease under control before it spread worldwide. Which statement best describes SARS? SARS was an epidemic, but not a pandemic. SARS was a pandemic, but not an epidemic. SARS was both a pandemic and an epidemic. SARS was neither a pandemic nor an epidemic.

Answers

Answer 1

Answer:

The correct answer is - SARS was both a pandemic and an epidemic

Explanation:

SARS or Severe acute respiratory syndrome is a viral infection that is first reported inChina in 2003 and caused by a coronavirus. It was moving swiftly continent by continent as an epidemic that was limited to Asia but soon it infected the countries in different continents like North America, South America, Asia, and European countries to become a global epidemic or pandemic.

Thus, the correct answer is - SARS was both a pandemic and an epidemic


Related Questions

Cause-effect relationship

1.Water cycle and Air temperature
2.Habitad and Biodiversity
3.Water temperature and Ocean circulation
4.Greenhouse and Agricultural activities

Answers

Answer:

I m not sure how to make this work for you husband and my husband and my wife and

Evidence of past climate conditions is best reviewed by studying...
•deep sea sediments
•metal sulfides
•mid-ocean ridges
•modern ocean chemistry

Answers

Answer:

deep sea sediments

Explanation:

it seems more relevant but don't take my word for it double check your self

Answer:

Deep Sea sediments

Explanation:

may influence ocean conditions around the vast continent as well as climate change

How many genes make up the human genome?
four: adenine, thymine, guanine, and cytosine
23 pairs of genes
20,000–25,000 genes
3 billion genes

Answers

Answer:

The correct answer is - 20000, 25,000 genes.

Explanation:

Genes are made by the functional and physical unit of the heredity called DNA. Genes are the precursors or encoded instructions to make a specific protein. Genes can be small or large depending on the DNA bases present in it which can be hundreds to millions in numbers.

According to the Human Genome Project, which found out the total genes present in a human genome between 20000 to 250000 genes approximately.

Thus, the correct answer is - 20000, 25,000 genes.

Genes are the hereditary units, which are present in the coded segments of the DNA. Genes carry the information from parent to daughter cells.

There are 20,000 to 25,000 genes that make up the human genome.

Human Genome Project was conducted for several years, the result obtained was:

The human genome project was an international scientific project, which aimed at determining the base pairs that make up the human DNA.

The project estimated that humans consist of 20,000 to 25,000 genes in their genome. Each individual inherits the copies of genes from both parents.

Therefore, the correct answer is Option C.

To know more about the human genome project, refer to the following link:

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What is the temperature structure of the troposphere? What percent of the atmosphere is in the troposphere in height? In mass?

help!!!

Answers

Answer:

The tropospheric temperature only decreases from an average of 0°C (32°F) at sea level to about −45°C (−49°F) at the tropopause. At the equator, tropospheric temperatures decrease from an average of 20°C (68°F) at sea level to about −70°C to −75°C (−94 to −103°F) at the tropopause.

Answer:

TROPOSPHERE

Explanation:

The troposphere is the atmospheric layer closest to the planet and contains the largest percentage (around 80%) of the mass of the total atmosphere. Temperature and water vapor content in the troposphere decrease rapidly with altitude.

Scientists core a Redwood tree in the California Redwood forest. The core of this particular tree has 1115 rings. How old is the tree in years?

Answers

Answer:

1115 years.

Explanation:

One ring equak one cycle year.

Type the correct answer in the box. Spell the word correctly.
What type of disease is often the cause of death for a patient with HIV/AIDS?
Keith was diagnosed with HIV infection a few years ago. Recently his doctor diagnosed a tumor in his body. Doctor inferred he is probably suffering from __________

Answers

Tuberculosis (TB)

it is the correct answer

Describe the connection between glycerol, fatty acids and triglycerides.

Answers

Answer:

In a fat molecule, the fatty acids are attached to each of the three carbons of the glycerol molecule with an ester bond through the oxygen atom. During the ester bond formation, three molecules are released. Since fats consist of three fatty acids and a glycerol, they are also called triacylglycerols or triglycerides.

A manufacturing factory is accused of emitting high levels of CO2 into the ecosystem. The factory burns coal to heat steel
drums. The factory uses lake water to cool the drums. The water is poured over the drums and then emptied back into the
lake
Scientist A claims the factory is responsible. The burning of coal releases excess CO2 into the atmosphere. This excess CO2 is
transferred to all areas. The CO2 is not lost throughout the system.
Scientist B clams the factory is not responsible. The CO2 is released directly into the atmosphere, not into the lake. The CO2 is
lost into the upper layers of the atmosphere and not cycled back into the ecosystem
The model represents the cycle of carbon in the atmosphere. Which key issue illustrated in the model would best support Scientist
A's claim?
A)
The model shows a factory creating excess levels of CO2
B)
The model depicts a continuous cycle. An increased level in one area will
increase levels throughout.
The model depicts multiple cycles. The atmospheric cycle would show an
increased level of CO2
The model shows high levels of carbon in the lake. Any change to this level
will have a greater impact on the atmosphere.
D)

Answers

The key issue that must be illustrated in the model and best support Scientist A claim is as follows:

The model depicts multiple cycles. The atmospheric cycle would show an increased level of CO2.

Thus, the correct option is C.

What is an Ecosystem?

An ecosystem may be defined as a place or an area in which individuals of different species live together and interacts with one another for the purpose of food, shelter, and space.

According to Scientist A, the factory is responsible for the excess level of carbon dioxide in the atmosphere. This is absolutely true because the factory burns coal that liberated a high amount of CO2 into the environment.

Apart from this, the factory uses lake water to cool the drums. The water is poured over the drums and then emptied back into the lake. This increases the concentration of CO2 in the lake as well.

Therefore, the correct option for this question is C.

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G1 – growth phase: Makes organelles and proteins needed for replication of DNA. Also contains a G1 checkpoint. If everything is correct, cell will proceed to S phase.

Answers

Answer:

correct.

Explanation:

cell will proceed to S phase for the duplication of chromosomes.

name the blood vessels that convey blood to the forelimbs​

Answers

Answer:Oxygenated blood leaving the heart flows into the aorta, one of its earliest branches is the subclavian artery which supplies blood to the forelimb, neck and cervicothoracic junction.

Explanation:

Which best describes the permeability of a membrane?
O A. The total thickness of the membrane
B. The flexibility of the membrane
C. The number of molecules in the membrane
D. The ability to allow materials to cross a membrane

Answers

Answer:

D

Explanation:

D. is correct because the membrane works like a security guard and only allows certain materails to cross the membrane. The definition of permeability is the state or quality that allows something to pass through.

Permeability is a standard of easy motion of liquid and gases through a membrane or material. They allow the transportation and exchange of gases in a cell.

The statement that best describes the permeability of a membrane is:

Option D. The ability to allow materials to cross a membrane.

This can be explained as:

Permeability is a physical property of membranes and substances that allows the other molecules to move through them.

It acts as a barrier from substances entering and exiting the cell or membrane and maintains the balance in a system.

Therefore, permeability is the allowance of materials across the membrane.

To learn more about permeability follow the link:

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Inheritable genetic variations may result from____

Answers

mutations caused by factors in you environment

mitosis may cause new genetic combinations

replication errors

Answer:

Inheritable genetic variations may result from mutations caused by environmental factors

Explanation:

Because mutations are caused by environmental factors.

Why id evaporation considered to be an endothermic process?

A) Heat is being released to change the substance from a liquid to a gas

B) Heat is being absorbed to change the substance from a liquid to a gas

C) Heat is being released to change the substance from a gas to a liquid

Answers

Answer:

B

Explanation:

All endothermic reactions need added energy and the phase is going from liquid to gas.

B IS THE CORRECT ANSWER TO THIS QUESTION

What is the identity of the planets?

Answers

Answer:

A is Jupiter, B is Neptune, C is Saturn, D is Uranus

Explanation:

A. Jupiter, B. Neptune, C. Saturn, D. Uranus

Which would have most likely stopped Mendel from finding a pattern in his results?
O A. If seed shape did not have a clearly recessive form
B. If having a smooth seed had been a dominant trait
C. If having a wrinkled seed had been a recessive trait
D. If garden peas produced large numbers of offspring​

Answers

Answer:

A. If seed shape did not have a clearly recessive form

Explanation:

To study inheritance patterns, Mendel studied a few characteristics of pea plant -e.g. pea colour, shape, plant height. These characteristics had to be very clear dominant and recessive forms to distinguish between, otherwise detecting the patterns would not have been obvious.

For example, if crossing a wrinkled seed plant with a smooth seed plant made a semi-wrinkled plant, Mendel would not have been able to study the inheritance of dominant and recessive traits.

Answer:

A. If seed shape did not have a clearly recessive form.

Explanation:

In pigeons, the allele B produces blue feathers. The allele W produces white feathers. The B and W alleles are codominant. A blue and white pigeon BW is crossed with a solid white pigeon WW. What percent of the offspring are expected to be blue and white?

Answers

Answer:

The correct answer is - 50%.

Explanation:

Codominance is a type of inheritance that takes place when the genotype of an individual organism in heterozygous condition express traits of both alleles.

Cross between blue and white pigeon and pure white:

BW × WW and gametes will be B and W and W and W

     B         W

W   BW     WW

W    BW     WW

There are 50% of BW that is blue and white pigeons

(7th grade question)

Which are the causes of rocks being exposed at Earth’s surface?

A- erosion and subduction

B- extreme heat and pressure

C- melting and cooling

D- erosion and uplift

Answers

Answer:

A. erosion and subduction

Explanation:

plz give me brainiest

Answer:

Erosion and uplift

Explanation: I took the test and got it all right erosion and subduction is NOT the answer.

How many characteristics are required for something to be considered alive?

Answers

To be classified as a living thing, an object must have all six of the following characteristics: It responds to the environment. It grows and develops. It produces offspring. Yes
eight characteristics
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these eight characteristics serve to define life.

WILL GIVE BRAINLEIST FOR FIRST ANSWER

Answers

Answer:

1. A scientific law is a law is a statement based on experiments that states the facts that follow with a specific occurence

2. The theory of evolution is that life constantly changes over time. Animals and living organisms of all sorts evolve and adapt to survive.

3. I can't seeeee

Explanation:

Answer:

Scientific laws are laws that are based off of experiments or observations

Theory of evolution are based off of the idea of all species are related and graduated over time.

Explanation:

ASAP PLEASE

How are photosynthesis and cellular respiration related?
Group of answer choices

The products of photosynthesis are the reactants of cellular respiration.

The reactants of photosynthesis are the reactants of cellular respiration.

The reactants of photosynthesis are the reactants of cellular respiration.

The products of photosynthesis are the products of cellular respiration.

Answers

The answer is the first one :)

Answer:

The answer is The products of cellular respiration are the same as the reactants of photosynthesis.

Explanation:

because they have the same reactants

Explain in detail how changes in light intensity or carbon dioxide levels might change rates of photosynthesis.

Answers

Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.

where do cells store waste

Answers

Answer:

Vacuoles

Explanation:

NEED HELP ASAP!! due at 11:59

Answers

There’s nothing here to answer.
Yeah put a different picture

HELPPPPP
What are the 3 ways we can describe a habitat?
3 SENTENCESSSSS

Answers

1) Dumping of wastes and debris in the ocean. Aquatic organisms can ingest hazardous substances from human wastes; other animals also get entangled to plastics and other waste products.
2) Use of Pesticide. Increases mercury among fish species.
3) Unsustainable fishing practice. The use of fishing techniques like dredging and trawling reduces fish stock and damage marine habitats on the sea floor.
Answer : A habitat is an environment that provides food, water and shelter to the animals or species living there. It also provides temperature and protection the the animals or species needs, a habitat can be described by its climate or Terrian . It can also be described by the kind of plants or animals living there.

Hope this helps

replicate t a c g c c c a t g a g a t c​

Answers

Answer:

Youuuhh seeeeee im jist answering for points oooof

Explanation:

atgcgggtactctag is the answer

the larvae of honey bee are voracious feeder why​

Answers

Answer: because of larva

Explanation: Larva. After three days, the egg hatches into a worm-like form called a larva. The worker bees feed the larva royal jelly for the first few days and then switch to honey and pollen. An exception to this is a future queen: this larva continues its diet of royal jelly.

Which one is odd one out on the basis of respiration:
Amoeba, cockroach, earthworm, euglena

Answers

Answer:

Cockroach is you answer.

Explanation:

They do this by using a very efficient breathing system that uses air filled tubes, called trachea, to deliver oxygen directly to cells. Oxygen flows in as required into the tracheal system through valves on the insect, called spiracles. But, sometimes, they shut their spiracles and stop breathing.

HELP!! Will give Brainliest answer

Which of the following describes the benefits of free-range grazing for meat production?

l.Organic wastes as fertilizer

II.Antibiotic and hormone free

III.Larger animals

IV.Provides quality meat

a
I and II

b
I and IV

c
I, II, and IV

d
I, II, and III

Answers

Answer:

C

Explanation:

free range grazing has been proven to have more quality meat. plus free range gives the opportunity to have fertilizer and obviously the grazing for free range animals is hormone free

The following describes the benefits of free-range grazing for meat production are,

Organic wastes as fertilizerAntibiotic and hormone freeProvides quality meat

So, the correct option is C.

What is free range grazing?This is the method of meat production.In this method, animals are not fenced and able to roam and graze freely.The disadvantage of free rang gazing is less intensive systems.The method is known as Concentrated animal feeding operations also called feedlots and free-rang grazing.

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Can humans be considered carbon sinks? If so, for how long? What living organisms are better long-term sinks than humans?

Answers

Answer:

Carbon sinks can be natural or man-made. They absorb more carbon than they release, whereas carbon source is anything that releases more carbon than they absorb. ... Together Earth's land and Ocean sinks absorb half of the carbon dioxide emissions.

Explanation:

Humans can be considered carbon sinks - yes, for a lifetime.

living organisms are better long-term sinks than humans - plants or trees.

Carbon sinkanything that absorbs more carbon from the atmosphere than it releasesit is the opposite of a carbon source as a carbon source is anything that releases more carbon than it absorbsHumans release carbon mainly by respiration, however, absorbs very less amount as foodPlants grab carbon dioxide from the atmosphere to use in photosynthesis and only some of this carbon is released to the soil when plants die and decompose

Learn more:

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Which surface erosion event does the most short- term damage?


Loss of topsoil from farmland.


Movement of rocks by glaciers.


Occurrence of mud slides after heavy rains.


Pollution of water sources caused by runoff.

Answers

Answer:

Occurrence of mud slides after heavy rains.

Explanation:

Soil erosion is defined as the removal of top soil from the land and it affects the fertility of the soil. It is also known as soil degradation.

Soil erosion has both short-term and long-term damage. Short-term damage of erosion includes the occurrence of mudslides after heavy rains which is called landslide. It is a short-term damage because landslides took long-duration to happen and when happened it can be shortly recovered using machines.

Hence, the correct answer is "the Occurrence of mudslides after heavy rains."

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