Biologists tell us that life on earth took billions of years to evolve into astronomy students and other examples of intelligent life. If we want to search for planets with intelligent life-forms that evolved over the same period of time that we did, what sorts of stars should we not bother searching around?.

Answers

Answer 1

The types of stars that we should not search for life around the Universe are O and B type stars.

What is a star?

A star is a celestial body capable of producing huge amounts of heat and radiation in the form of light.

An O-type star (spectral class O) is a blue and/or white star that is characterized to be very hot and brilliant.

B-type stars are also luminous and they can be blue, but they can be differentiated by O-type stars by their spectra.

Learn more about O-type stars here:

https://brainly.com/question/1253494


Related Questions

Hello people ~
Differentiate between biotic and abiotic components.​

Answers

Non-living physical and chemical elements in the ecosystem are referred to as abiotic factors. Typically, abiotic resources are obtained from the lithosphere, hydrosphere, and atmosphere [e.g. water, aer, soil, sunlight, and minerals].

Biotic factors are organisms that are alive or were onse alive in an ecosystem. These are obtained from the biosphere and have the ability to reproduce [animals, birds, plants, fungi, and other identical organisms].

I am joyous to assist you at any time.

what do you think are the odds of getting four tails in a row? Explain your answer.

Answers

Answer:

It depends on how many flips you do.

Explanation:

None.

who can be titled the brianlist
answer this
Name one organism that is selectively bred.

Answers

Answer:   Crop plants with better yields. ornamental plants with particular flower shapes and colours. farm animals that produce more, better quality meat or wool. dogs with particular physiques and temperaments, suited to do jobs like herd sheep or collect pheasants.

Explanation: hope it helped :)

8. Choose the best answer. Polar bears have adaptations for swimming long distances. Where is this adaptation found?
O phenotype
O genetic code in RNA
O genetic code in DNA
O genotype​

Answers

Answer:

a

Explanation:

a is phenotype

Answer:

i think its phenotype

Explanation:

-phenotype is the set of observable characteristics or traits of an organism

What are the two chemical components of chromosomes?.

Answers

Answer:

Explanation:

DNA & Protein are the two chemical components of chromosomes that candidate for genetic material

What is the Liquid part of blood called?

Answers

Answer:

The liquid portion of the blood is called plasma.

Explanation:

hope this helps.

List 3 ways the alveoli are built in a specialized way to do their job.

Answers

Answer:

Alveoli are tiny, balloon-shaped air sacs. Their job is to move oxygen and carbon dioxide (CO2) molecules into and out of your bloodstream.

Explanation:

An antigen has invaded a mammal's body. Specific immune cells engulf and ingest it. Some of the digested pieces are displayed on the cells' bodies. What happens next?

Answers

Answer:

The correct answer is A- B cells are activated and release antibodies

Explanation:

When an antigen invades a mammals body, specific immune cells engulf and ingest it. Some of the digested pieces are displayed on the cells bodies, the next step will be that B cells are activated and release antibodies.

When should dna be replicated? what life events would include dna replication?.

Answers

Answer:

During growth and development i.e, as you get bigger because the cells are multiplying in number.

During repair of worn out cells and tissues e.g if you get a cut.

(It also happens in your hair and skin, but, I wouldn't label these as "life events"

Hope this helps(:

What three things would you take with you during the zombie apocalypse and why?

Answers

In order to survive, the basic things needed in a zombie apocalypse is food, water and a self-defense object.

What is a zombie apocalypse?

A zombie apocalypse is an imaginary scenario in the future where the dead comes back to hunt the living with the intent to destroy all life.

Since survival is the most important consideration in a zombie apocalypse, one would need these three things:

waterfoodand an instrument for self-defense.

Therefore, the basic things needed in a zombie apocalypse is food, water and a self-defense object.

Learn more about zombie apocalypse at: https://brainly.com/question/22997575

rays of the sun hitting your face. is it potential energy kinetic energy or both

Answers

Answer:Radiant energy is a form of kinetic energy so it is Kinetic energy .

What is the temperature and name of the surface ocean current that affects the climate of location E (see map above)?

(1) warm Alaska Current
(2) warm Gulf Stream Current
(3) cool Peru Current
(4) cool California Current

Answers

Answer:

it is 4 the cool California Current

Explanation:

The temperature and name of the surface ocean current which affects the climate of the location E is the Cool California Current. Thus, the correct option is 4.

What is the Cool California Current?

The California Current is called as an eastern boundary current. The strong current systems which flow along the east side or the boundary of all of the Earth's major ocean basins. These tend to move the water towards the equator, and they are prone to strong upwellings.

The temperature and salinity of the waters of the California current vary with the seasonal variations in the upwelling, insolation, and flow of the water. The maximum range in the temperature and salinity from its northern to its southern end are 48° to 79° F or 9° to 26° C and 32.5 to 34.5 parts per thousand, respectively.

Therefore, the correct option is 4.

Learn more about California Current here:

https://brainly.com/question/377571

#SPJ2

Vitamin D regulates Multiple Choice blood calcium levels. Fluid balance. Oxidation and reduction reactions. Energy metabolism

Answers

Vitamin D help to regulate blood calcium levels.

What is Vitamin D?

Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and many other biological effects. In humans, the most important compounds in this group are vitamin D₃ and vitamin D₂. .

It help to absorb calcium and potassium in the body.

Therefore, Vitamin D help to regulate blood calcium levels

Can someone help me with the entire gizmo?
it’s the natural selection gizmo

Answers

Answer:In this simulation, you are a bird hunting for moths. 

Explanation:

In this simulation, you are a bird hunting for moths. You can hunt in an area with light-colored trees or dark-colored trees. 

SOMEONE PLS HELP ME!!!!

Answers

Explanation:

sunlight A suntranspiration E soil

Is NaCI a diatomic element

Answers

Answer:

Yes.

Explanation:

HCl, NaCl, and KBr are all examples of diatomic elements.

In an experiment investigating the time needed to kill a certain type of bacteria at 100°, which of the following variables need to be controlled?

time only

temperature and type of bacteria only

temperature only

time and temperature only

Answers

Baed on the nature if the investigation, the temperature and type of bacteria need to be controlled in this experiment.

What are variables in an experiment?

Variables are quantities whose values determine the result or can affect an experiment.

Variables may either be:

dependent variableindependent variable constant variable

Since the experiment is investigating the time needed to kill a certain type of bacteria at 100°, the temperature and type of bacteria need to be controlled.

Learn more about variables at: https://brainly.com/question/347133

What is the maximum number of seeds of any one type that the seed dispensary can hold?.

Answers

Answer:

20 seeds of each plant can be held at a time.

Explanation:

:)

You are a genetic counselor. Cherry is looking into her genetic history, and she is asking you to figure out who has or had color blindness by looking at her family tree. The image below shows a pedigree chart, and it represents the inheritance of color blindness through three generations.
Are females #1, #2, and males #1, #2, colorblind or not?

Answers

With the information provided it is not possible to determine if females #1, #2, and males are colorblind or not are colorblind (they can be colorblind or carriers).

What a pedigree?

A pedigree is a diagram to represent the genealogical relationships within a family and the inheritance of certain traits.

In a pedigree, the presence of a complete shadow figure indicates the presence of the genetic condition.

In this case, the females #1, #2, and males #1, #2, can be either colorblind or carriers (i.e., heterozygous for the trait).

Learn more about pedigrees here:

https://brainly.com/question/3772471

In proteins structure determine the what? of a protein

Answers

Answer:

The primary structure of a protein is its amino acid sequence. This drives the folding and bonding of the linear amino acid chain, which in turn determines the unique three-dimensional shape of the protein.

I hope this helps you

:)

HELP!!! will give brainliest!! need answer quickly!! An Ff mouse is bred repeatedly to an ff mouse, producing 500 total offspring. In theory, 250 offspring should be black and 250 should be white, but the actual numbers are 237 black and 263 white. Why does this happen?

Answers

Cause 200 of them could die

Which of the following explains Mendel's principle of segregation?

A. During meiosis, gametes are produced with only one copy of each gene.
B. Heterozygous organisms always breed true for a given trait.
C. Genes that are close to each other on a chromosome are often inherited together.
D. An organism must receive only one copy of a recessive gene to show the recessive trait.

Answers

Answer:

C. Genes that are close to each other on a chromosome are often inherited together.

Which of the following describes safeguards used in nuclear power plants to protect the environment? I. Radioactive sections of the plant are cleaned every week. II. Cooling the reactor prevents an explosion and leak of radiation. III. A mixture of different forms of uranium prevents explosions.

Answers

Answer: Cooling the reactor  prevents an explsion and leak of radiation

Explanation:

Answer:

It's one and two

Explanation:

I took the test

How is oxygen in the air made during photosynthesis?

A. Splitting apart carbon dioxide
B. Attaching oxygen together
C. Attaching water together
D. Splitting apart water molecules

Answers

Answer:

D

Explanation:

by process known as photolysis

What would happen if there were no predators in the forest? Would the colors of the moths change over time?

Answers

The moth colors would not have changed if there were no predators in the forest because the moths would not
have had to camouflage. The point of changing colors was to better blend into their surroundings in order to
hide from predators.
No it wouldn’t actually change the colour of the moths, just because if there were no predators in the forest

Which choice best describes a plant cell? A cell that uses sugars.
B cell that has a nucleus.
C cell that has a cell wall.
D A cell that has a cell membrane. ​

Answers

Answer: C

Explanation:

HELP ME ASAP!


what is one experinment that is realted to put cabbage water, baking soda, and vinegar experinment and explain why you chose that idea!

Answers

Adding baking soda to the cabbage juice makes it a neutral base. When you add liquids to the cabbage juice, very acidic solutions will turn it a red color; neutral liquids make a purplish color; and basic solutions will make cabbage juice a greenish-yellow.

I chose this idea because this experiment will teach you all about acids and bases.



Hope this helps ^v^

Describe the roles of the national and state governments in the amendment process?

Answers

Answer:

only three-fourth of states legislatures need to pass an amndment to the constitution

Which food chain correctly shows the direction that energy and matter can flow through a temperate forest ecosystem?

a) fruit > insect > sparrow > hawk
b) hawk > fruit > insect > sparrow
c) insect > sparrow > hawk > fruit
d) insect > hawk > fruit > sparrow

Answers

Answer:

Fruit comes from plants, which are producers. Insects are primary consumers, sparrows are secondary consumers, and hawks are tertiary consumers.

Explanation:

Hope this helps.

A chronic condition that causes permanent damage to the glomerular membrane, resulting in renal failure is.

Answers

Answer:

Chronic glomerulonephritis

Explanation:

hope this helps :)

Other Questions
Hello, can someone help me with the working out to this problem How did the War Powers Act of 1973 affect the President's ability to conduct military operations?It gave even more influence to members of his Cabinet.He had the ability to order military strikes as quickly as possible.It dictated that military operations must first pass a congressional vote.He must consult with Congress within 48 hours of ordering any military action. Why were people in congress in an uproar when Missouri wanted to be admitted as a new state ? Anyone know know the answers for this paper or know where I can find it? 1. Why was aeolus able to harness all of the winds for odysseus? Write an essay in which you explain how Arwa Mahdawi builds an argument to persuade her audience that satire is a necessary literary genre that keeps people thinking.. In your essay, analyze how Mahdawi uses one or more of the features in the directions that precede the passage (or features of your own choice) to strengthen the logic and persuasiveness of his argument. Be sure that your analysis focuses on the most relevant features of the passage.Your essay should not explain whether you agree with Mahdawis claims, but rather explain how Mahdawi builds an argument to persuade her audience. Need help with this pls Given circle O with diameter MN and radius OK. KL is tangent to O at K. If KM = 29 and MN = 36, solve for KN. Round your answer to the nearest tenth if necessary. If the answer cannot be determined, click "Cannot be determined." M K N L Sahon NEED HELP PLEASE1. Explain why celebrity endorsements are risky agreements for companies.2. Why do you think the FTC creates laws governing celebrity endorsements? To whom do these laws benefit? What is the product of the two binomials below? (3A + 4B)(3A - 4B)A. 9A^2 - 16B^2 B. 2A^2 - 4B^2 C. 3A^2 + 4B^2 D. 9A^2 + 16B^2 Please help me and answer correctly and if you do then you will get brainliest!!! 17. Billy purchased 100 shirts at a cost of $15 each and planned to resell them. The firstweek he sold some of them for $25 each. The second week he sold the rest for $20 each.If his total profit was $600, how many shirts did he sell the first week? Can someone please help me? :( Which of the following describes a limiting factor of population size? Birth rate Death rate Available land Gestational period What is the Liquid part of blood called? See the picture below and answer for 50 points and brainliest What is stated in the 1st Law of Motion? ____is the basis of autogenic training.AutohypnosisAutotomyAutocatalysisAutoimmunity solve for x.x/2 + 6 = 24 PB10-4 (Algo) Comparing Bonds Issued at Par, Discount, and Premium [LO 10-3]Marshalls Corporation completed a $540,000, 8 percent bond issue on January 1, 2021. The bonds pay interest each December 31 and mature 10 years from January 1, 2021. Required:For each of the three independent cases that follow, provide the amounts to be reported on the January 1, 2021, financial statements immediately after the bonds were issued