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Evgen [1.6K]
3 years ago
12

By the 1990's, astronomers had discovered that the universe was expanding

Biology
1 answer:
MA_775_DIABLO [31]3 years ago
4 0

Answer:

spearheaded

Explantion: The discovery was spearheaded

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What do arteries do in a frog
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First, it transports blood with oxygen and nutrients to cells all over the body. Second, it picks up waste products from the cells to be transported out of the body, and it takes the deoxygenated blood back to the lungs so it can regenerate.

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How does the human eye interpret optical illusions.
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Humans see optical illusions when the visual system (the eyes and the brain) attempts to interpret an image that evokes a perception that deviates from reality. Your brain displays an image that makes the most “sense,” but it is not always what is actually in front of our eyes.

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Which of the following describes the nervous system integrative function? A. responds to stimuli by gland secretion or muscle co
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B. analyzes sensory information, stores information, makes decisions

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4 years ago
Define the word homology ?
Aleksandr [31]

the state of having the same or similar relation, relative position, or structure
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4 years ago
What is periderm and protoderm and where do they originate from in a new plant ?
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