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wolverine [178]
3 years ago
9

What do we call molecules that are only made of hydrogen and carbon?

Biology
1 answer:
Zinaida [17]3 years ago
5 0

Answer:

Hydrocarbons

Hydrocarbons are organic molecules consisting entirely of carbon and hydrogen.

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How could the duplication of the Hox gene complex help facilitate animal adaptive radiation?
cestrela7 [59]

Answer:

Duplication of hox genes is important in the radiation of animals because they are regulating genes of symmetry and the body plan of the animals' bodies. Some change or mutation in these genes during duplication can cause mutations and with these evolution of the species as it controls the different segments of these animals as they develop, launching the genetic programs that form various body structures, such as limbs and organs. .

4 0
4 years ago
What are the two closed circuits that the heart pumps blood into?
xxTIMURxx [149]

Answer:

Explanation:

Existen dos recorridos que parten del corazón : Lacirculación pulmonares un circuito de corto recorrido que va del corazón a los pulmones y viceversa. La circulación sistémica trasporta la sangre desde el corazón al resto del cuerpo y luego la lleva de vuelta al corazón .

7 0
2 years ago
Ellen has eggs she wishes to trade for grain. However, she cannot find anyone with grain that needs eggs. What is missing for th
77julia77 [94]
The correct answer is -

E. double coincidence of wants
4 0
4 years ago
What is a wave of water caused by an earthquake under the ocean
Marianna [84]

The wave is called a tsunami.

Tsunami waves are produced when a volcanic eruption or earth quake occurs in the ocean.

Tsunami waves are usually  giant waves . when they are produced far out in the ocean, they are not all that tall. What happens is that as they begin to move from far out in the ocean towards the coast, they begin getting taller and taller the depth of the sea floor reduces and the sea gets shallower and shallower. By time they reach land they may be dozens of feet high.

They also move at terrific speed especially over deep waters, almost as fast as a jet plane. They only begin to slow down as they approach land but even then the speed is still tremendous.

7 0
3 years ago
What thaws slower land, air, or water
Nesterboy [21]
Hmm... after some long thinking about this I would have to go with land. After land has been frozen, it thaws (<span>become liquid or soft as a result of warming.) Heat cannot "thaw" because it is apart of air. Water cannot "thaw" because it is already a liquid. Makes sense? I hope this helps! P.S. (A brainliest wouldn't hurt) ;)</span>
5 0
4 years ago
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