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Alex73 [517]
2 years ago
6

I need help from 20-23

Biology
1 answer:
Mashcka [7]2 years ago
3 0
20. The answer is 1 (Precambrian)
21. The answer is 4 (Pennsylvanian)
22. The answer is 2 (Bony Fishes, Dinosaurs, and Mammals)
23. The answer is 2 (Reptiles)
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Enchanted Rock State Natural Area is located in Central Texas. Enchanted Rock is a dome of granite. The area contains four easil
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Answer:

D) Granite rock

Explanation:

Enchanted Rock is a dome of granite, so you would pick this answer choice.

I am joyous to assist you anytime.

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3 years ago
3. The buccal cavity comprises ________,_______and __________.
Ostrovityanka [42]

The movement of food through the esophagus  is called peristalsis.

<h3>What is the buccal cavity?</h3>

The mouth is what we generally call the buccal cavity. It is an opening that contains the teeth and the tongue. The tongue plays the important role of serving as the organ of taste while the teeth serves to marsh food. It is the white strong structure that occurs in the mouth that enables is to masticate our food. Also in the mouth we have the salivary gland which plays the role of secreting the saliva and we know that the saliva contains from enzymes that makes it possible for the digestion of food to commence at the moth. It the follows that the buccal cavity is made up of the teeth, tongue and salivary glands.

Food moves into the stomach via the esophagus. Thus movement is slow and is aided by the muscles that line the gastro intestinal tract. As such, movement of food through the esophagus  is called peristalsis.

Learn more about peristalsis:brainly.com/question/15265456

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7 0
2 years ago
When the genetic material found within an offspring is diverse, what type of reproduction is responsible?
AnnZ [28]

Answer:

sexual reproduction, because the genetic material comes from both parents.

Explanation:

The sperm and egg produced contain different combination of genes

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(50 POINTS ) Which of the following can be used to explain why water is able to dissolve many substances?
svetoff [14.1K]

Answer:D. Water has a neutral pH.

Explanation:

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2 years ago
Braydon reads about the earthquake the occurred in Japan in 2011, and he learns that it had a magnitude of 9.0. What does the ma
ki77a [65]
The answer is A hope this helps
6 0
3 years ago
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