BIOLOGY MIDDLE SCHOOL

I NEED HELP ASAP!!!!!!!Blackbody radiators like starsdo not appear black in color
O do not have a color spectrum
O emit energy at all wavelengths
O reflect most of the light that falls on them

Answers

Answer 1
Answer:

Answer:

emit energy at all wavelengths

Explanation:

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Assume the light wave directed at the paper is white light and the paper reflects the wavelengths of red-orange-yellow-green-blue-indigo-violet. What color will the paper appear to human eyes?
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What is the function of spinal fluid?

Answers

The spinal fluid is actually called cerebrospinal fluid(CSF). It's job is to pretty much protect the brain and spine. It also soaks them in nutrients and gets rid of waste products from the spine and brain.

Explain scientifically whether humans and humpback whales share a close evolutionary relationship.

Answers

Answer:

Explanation:

Whales and humans have alot of things in common, they are the largest groups of mammals in the world.

Whales which belong to cetaceans(group of marine mammals) can be considered human, they possess self awareness, feelings and high-level cognitive power than man.

They have large brain size which suggests that they have a complex and elaborate evolutionary history.

Humpback cerebral cortex, the part of the brain where though processes takes place are similar to that of man. Humpback whales exhibit complex social patterns that include good communication skills, collaboration and good tool usage.

Whales and human are quite social in nature.

Answer:

A whale's fin is a major homologous structure. When you examine a whale's skeleton, you'll find that all of its bones are comparable to those of other mammals. As mammals, whales share a common ancestor with other mammals, including humans. Humans and humpback whales belong to the same kingdom (Animalia), phylum (Vertebrates), and class (Mammals) which means they are related but not too close. Humpback whale embryos still have limbs, but when they become adults, they become dormant, meaning the ancestor of today's humpback whale walked on land with humans in the past and therefore may have some evolutionary relationship with us.

How does a deep ocean current compare to a surface one? A.
same salinity, but colder and less dense


B.
same temperature, but saltier and denser


C.
colder, saltier, and denser


D.
same density, but colder and saltier

Answers

the answer to your question is C- colder , saltier , and denser why because they don't have the same density level and deep ocean water is more dense than surface. and also  Fromyour feet to your knees the water feels icy cold and from your knees to your head the water feelswarm. You probably wondered what causes this to happen. What you felt were warm surfacecurrents and cold deep currents. Changes in the density set these currents in motion. some ocean currents are set in motion by the wind other ocean currents are created by something you can't feel or see. Differences in density of water can also cause currents to form and move. Density is affected by temperature and salinity. i hoped i helped 

Which term refers to cows and oxen?
A. Bovine
B. Vulpine
C. Porcine

Answers

it is bovine because vulpine is foxes and porcine is pigs :)
it's A because vulpine is foxes and porcine is pigs

Which factors cause weather patterns? Check all that apply.diverse landscapes
motion in space
oceans
seasons
solar radiation
fronts

Answers

Answer:

1,2,3,5

Explanation

I got it right on edge nuity.

Answer:

diverse landscapes

motion in space

oceans

solar radiation

hope this helps 2021 edg <3

How do Atoms join together to form molecules

Answers

COVALENT BONDS . In a covalent bond, electrons are shared between two atoms . When two oxygen atoms bond together to form an oxygen molecule, they share four electrons - two from each oxygen atom. Other examples of covalent bonding are water (H20), and carbon dioxide (CO2).
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