Carbon tends to form four bonds. What kind of bonds are they?
O A. Covalent
O B. Ionic
O C. Hydrogen
O D. Metallic

Answers

Answer 1

Carbon tends to form four bonds. These bonds are called as covalent bonds. The correct option is A.

What are Covalent bonds?

An atom can establish bonds with other atoms in two main ways: covalent and ionic. The sharing of electrons between two or more atoms forms a covalent connection. When two or more ions join contact, they can create ionic bonds that are held together by charge differences.

An electron exchange that results in the formation of electron pairs between atoms is known as a covalent bond. Bonding pairs or sharing pairs are the names given to these electron pairs.

Covalent bonding is the stable equilibrium of the attractive and repulsive forces between atoms when they share electrons. Through covalent bonding, carbon atoms form four bonds.

Therefore, the correct option is A.

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Related Questions

48.Which is a significant environmental cost of burning fossil fuels that is not incurred with the use of the other energy resources?

A. global climate change, which is caused by the transfer of carbon to the atmosphere
B. a disruption of the water cycle, which is caused by the heating of water at power plants
C. radioactive pollutants, which may be accidentally released at power plants
D. localized warming, which is caused by the release of heat into the atmosphere

Answers

Answer:

A

Explanation:

big brain

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Can someone help me with a question

Answers

What’s the question

which of these is an effect of an algal bloom?
A. The mercury contained in fish build up in animals that eat the fish
B. An increased growth in microorganisms result in oxygen depletion
C. Materials containing metal are toxic to organisms that live in them
D. Bacteria are introduced to break down hydrocarbons in an oil spill

Answers

the answer is B. an increased growth in microorganisms results in oxygen depletion

Which statement explains Mendel's law of segregation?

A. Two alleles for a trait separate during meiosis
B. Two alleles that were segregated come together during meiosis
C. Alleles if the same trait segregate only during mitosis
D. Alleles of a trait can never be separated from each other

Answers

Answer:

A. Two alleles for a trait separate during meiosis

Explanation:

I just took the Biology final and I got 100%!!!

Mendel's law of segregation should be explained with option A. Two alleles for a trait separate during meiosis.

The following information should be considered:

As per the law of segregation, only one of the two gene copies should be present in an organism and that can be distributed to each gamete (egg or sperm cell) .After this, it makes, and the allocation of the gene copies should be done on random basis.

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What is the best classification of the stimuli described in the following scenario?
You are quietly reading a book on the beach. Unexpectedly, the person next to you lights a large firework. You
jump up and throw your book in the sand.
Wilting and Turgor
o Geotropism
Photoropism
Fight or Flight

Answers

Fight of flight, because according to Hans Selye, this occurs at times of danger when your adrenaline is heightened.

Using the example of the Abert’s and Kaibab squirrels, describe what happened to them at each stage of their speciation.

Answers

Answer:

The Alberts and Kaibab squirrels different from their respected paths by

geologic isolation. The two species of squirrels were seperated and then eventually adapted to their respected environments .

Explanation:

Hopr it helps !!!

In scientific terms, the person lifting the most weight always has the most power.

True or False

Answers

Answer:true

Explanation:

Answer:

Answer:true!!!!!!!!!!!!!!

Explanation:!!!!!!!!!!!!!

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Explanation:

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The presence of paired chromosomes makes a _____ cell, while a single member of a par of chromosomes makes a ____ cell.

For the first one the options are germ diploid gamete haploid

The second one is somatic haploid gamete diploid

Answers

Answer:

first blank - diploid

second blank - haploid

Explanation:

diploid cells have two sets of chromosomes, haploid cells have only one. a good way to remember is "haploid" reminds you of "half", and haploids have HALF of the number of chromosomes in a cell.

Answer:

Explanation:

Some people think hydropower should be used supply all of the electricity for the United States. Which of the following statements describes a flaw in this plan?
A. Wind power causes too much pollution
B. Wind cannot used to generate electricity
C. Wind power can be used only in certain areas
D. Wind power contributes to climate change

Answers

Wind power can be used only in certain areas.

-or-

(depending on the way it's written)

These power sources can only be used in some areas.

Some people think hydropower should be used to supply all of the electricity for the United States, and the flaw is that wind power can be used only in certain areas; that is option C, as in most urban areas it is not effective as there is not much space and wind speed.

What is hydropower?

Hydropower is a renewable energy source and has many benefits, including the ability to generate large amounts of electricity without emitting greenhouse gases. However, it also has limitations. Hydropower is dependent on the availability of water resources, which can vary depending on seasonal changes, weather patterns, and other factors. In addition, hydropower can have negative environmental impacts, such as disrupting natural river ecosystems and affecting fish populations.

Hence, some people think hydropower should be used to supply all of the electricity for the United States, and the flaw is that wind power can be used only in certain areas; that is option C, as in most urban areas it is not effective as there is not much space and wind speed.

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HELP!!!!
URGENT!!!!!

Gene expression in prokaryotes is regulated at which stage?
A. Translation
B. Transcription
C. Post-transcriptional modification

Answers

Answer:

B. transcription

Explanation:

Prokaryotic transcription and translation occur simultaneously in the cytoplasm, and regulation occurs at the transcriptional level. Eukaryotic gene expression is regulated during transcription and RNA processing, which take place in the nucleus, and during protein translation, which takes place in the cytoplasm.

18. Cooler weather and fewer hours of daylight signal the approach of fall. 4 points
Which feature of Earth is MOST responsible for these changes?
the tilt of Earth's axis
O the strength of Earth's gravity
the distance of Earth from the Sun
the direction in which Earth rotates

Answers

Answer:A

Explanation:

The tilt of the earth axis makes parts of earth closer to the sun than other without the entirety of earth being any closer, which is why seasons are different on different parts of the earth

what eventually happens to be a species when the environment changes and the organisms do not adapt?
A: classification
B: development
C: extinction
D: regulation

Answers

It evolves into new species

Answer:

C

Explanation:

how does the skeletal system work

Answers

Answer: Muscles connect to your skeleton and they contract and move the skeleton along. Your skeletal system is made up of cartilage and calcified bone that work together. They help the process of movement happen in a smoother manner. The calcified bones of your skeleton also work with the circulatory system

Explanation: Mark  me as brainliest

Why is sustainable development concerned with the needs of future generations?

Sustainable development is concerned with the needs of future generations because Earth's natural resources are
_________.​

Answers

Answer:

Sustainable development is defined as the principle to meet present need without affecting future generation needs.

Sustainable development is much concerned with the future needs because humans are utilizings the natural resources of the Earth in order to fulfil present needs. But the natural resources of the Earth are non-renewable and will take hundreds or thousands of year to form again, so it is possible that our future generation will unable to consume those natural resources.

Even natural resources cannot be replaced by other resources, example: carbon-based fossil fuel.

Hence, people consuming natural resources in large quantity which can affect future generation needs, as natural resources are non-renewable sources of energy.

Answer:

Its either Non-renewable or Limited

Explanation:

What is the function of junk DNA in cells?

Select all that apply.
a) protecting the ends of chromosomes
b) turning genes on and off
c) holding the nucleus together
d) coding for proteins

Answers

Answer:d

Explanation:

I think it is b and d

Which statements describe a host organism? Check all that apply.

A host shares nutrients with a parasite.

A host loses nutrients to a parasite.

A host obtains nutrients from a parasite.

A host is dead when nutrients are taken.

A host is alive when nutrients are taken.

Answers

Answer:

A host loses nutrients to a parasite.

A host is alive when nutrients are taken.

Explanation:

Answer:

A host is alive when nutrients are taken

A host lose nutrients to a parasite

Which statement is true of Y chromosomes?
A. Women have two of them.
B. Only women have them.
C. All babies have them.
D. Only men have them.

Answers

Answer:

D

Explanation:

Only men have them. Women have two X chromosomes, (XX) and men have XY chromosomes.

Answer:

D

Explanation:

A glucose molecule is the

Answers

Main products of photosynthesis

Answer:

Glucose is one of the main products of photosynthesis and starts respiration. The natural form (D-glucose) is also referred to as dextrose, especially in the food industry.

Explanation:

3. What types of damage can
introduced species cause?

Answers

Answer: They can change an entire habitat, placing ecosystems at risk, crowd out or replace native species that are beneficial to a habitat, and damage human enterprise, such as fisheries, costing the economy millions of dollars.

Explanation:

If two genes show nearly 100 percent linkage, what does that tell us?

Select all that apply.
a) The two genes are on separate chromosomes.
b) The two genes are always inherited together.
c) The two genes are on the same chromosome.
d) The two genes are located very close to each other.

Answers

Two genes are inherited

Answer:

two genes are inherited together

Explanation:

Discuss, why is rubisco the key enzyme for the production of worlds food

Answers

Answer:

Rubisco is the major enzyme used to catalyse the carbon fixation step during the Calvin cycle in photosynthesis.

During carbon fixation, RUBP undergoes a redox reaction with CO2 to form 3-phosphoglycerate (a 3 carbon compound). 3-phosphoglycerate then undergoes phosphorylation by ATP and reduction by NADPH to form glycerate 3 phosphate molecules (main product), ADP and NADP+ molecules (by product).

Some Glycerate 3 phosphate produced are used to regenerate RUBP for the Calvin cycle to continue while the rest of the Glycerate 3 Phosphate is used to synthesise monosaccharides like glucose.

Without Rubisco, carbon fixation cannot occur and RUBP will not be able to combine with C02 to form a 6 carbon unstable intermediate the breaks down to form 3-phosphoglycerate and eventually undergoing more reactions to form glycerate 3 phosphate which is the basic product of photosynthesis used to synthesise glucose and eventually starch which serves as the world's food.

Amy’s white cat had kittens. The father of the kittens was MOST LIKELY A) curious B) large C) orange D) white

Answers

Answer:

ANSWER: the answer is a I think

Consider the chromosome.

The parts of a chromosome are labeled. The lines on the chromosome are labeled b.
Which best describes the function of the part labeled b?
carries all the genetic information of the organism
provides the master instructions for the cell
joins sister chromatids
codes for a specific trait

Answers

Answer:

D.

Explanation:

..

The part labelled B is gene which codes for a specific trait. So, the correct option is (D).

What are Genes?

Genes are defined as the basic unit of heredity passed from parent to child that are composed of sequences of DNA and arranged one after the other at specific locations on chromosomes in the nucleus of cells.

The main function of genes is to code for a specific trait where every individual on this earth is different from each other. The traits that make individuals alike are the genes they carry.

Traits like eye color, height, ear size, height are controlled by genes where as such characters like fur color, flower size, flower color are also controlled by genes. The characteristics responsible for what a person is like are borne by genes.

Thus, the part labelled B is gene which codes for a specific trait. So, the correct option is (D).

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Gravity is a force.
O True
O False

Answers

Answer:

True

Explanation:

Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. It is an attraction that exists between all objects, everywhere in the universe.

Plsss I need help answer all the questions I need this before 2:00pm​

Answers

Answer:

3 is b variable

4 is c the results

5 is b make a model

Answer: number 3 would be variable and number five would be to ask a meteorolgist. idk what number four is

Explanation:

please help me!!

A student drew this model to show the flow of convection currents
on Earth.
Part A
Is the model accurate? Explain your answer.

Answers

Answer:

Yes the model is correct

Explanation:

Transfer of heat energy takes place usually any of these three processes namely; Conduction, Convection and Radiation. In conduction, transfer of heat energy takes place by microscopic collisions of particles within a body. In radiation, heat, light and energy through any source is sent out from something and moves through space without a material medium of propagation. In Convection, heat transfer happens because of the movement of the bulk of molecules within fluids.

We can define convection currents as a natural process of heat transfer involving the movement of energy and heat from one place to another.

The equator is the part on Earth that is nearest to the sun hence it receives much heat. As a result of this, the air near the equator rises upwards as it becomes less dense and later spreads out and again descends towards the equator. This process is responsible for the continual circulation of air which is called wind. It is due to the process of atmospheric convection currents that the clouds are kept aloft.

From the foregoing, the model shown in the image has been validated as a correct model of convection current in nature.

Answer:The model accurately shows convection. However, these large convection currents would occur only if Earth did not rotate. Because Earth rotates, smaller convection cells form.

Explanation:

Plato answer (it's the exact answer if you can reword it.

Explain why recycling cans, bottles, and paper is a way to promote sustainability.

Answers

Recycling that reduces toxic wastes and environmental pollution obviously provides immediate benefits to human health. By reducing wastes, recycling also conserves natural resources, protects natural ecosystems, and encourages biological diversity, all of which enhance the long run sustainability of the biosphere.

Which of these is a function of testosterone in reproduction?

A. Reducing the size of the adrenal glands
B. Reducing function of the exocrine glands
C. Promoting the development of the endocrine system
D. Promoting the development of adult male characteristics

Answers

i think its D but i'm not 100% sure

Look at the food web.
What does the deer get energy from?
tree and squirrel
insects and grasses
tree and insect
tree and grasses

Answers

Answer: the deer gets energy from grass and the tree

Explanation:

Look for the arrows that point towards the deer and not away

In this food web, deer get energy from trees and grasses.

What do you mean by food web?

A food web is a natural connection of food chains and a graphic representation of what-eats-what in an ecological community. Another name for the food web is the consumer resource system.

A food web consists of several food chains. A food chain only follows  one path when animals find food. eg: A hawk eats a snake that ate a frog that ate a grasshopper.

A food web consists of the connections of different food chains. In nature,  many food chains are interconnected thanks to many producers and consumers. Such a complex network of food chains is called a food web.

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What is the carbon/oxygen cycle?
How does oxygen enters the atmosphere?
How does carbon dioxide enters the atmosphere?
What are 3 ways oxygen is released into the environment?

Answers

Answer:

Explanation:

*Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product. Carbon dioxide moves from the air into the leaves of plants through tiny openings in the plant's leaves.

*Plants use sunlight and carbon dioxide to produce oxygen through the process of photosynthesis.

*Carbon dioxide is added to the atmosphere naturally when organisms respire

*Plants

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