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trapecia [35]
3 years ago
14

Which of the following materials is necessary for scientists to estimate the age of the solar system?

Biology
1 answer:
SCORPION-xisa [38]3 years ago
7 0

Answer:

B) meteorite sample

Explanation:

The age of the solar system, derived from the study of meteorites (thought to be the oldest accessible material around) is near 5 billion years; that of the Earth is taken as 4.6 billion years. The oldest rocks on Earth are dated as 3.8 billion years.

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The hormone _______________ is released from the pancreas when blood glucose is elevated above a normal range.
Viktor [21]
<span>The hormone INSULIN is released from the pancreas when blood glucose is elevated above a normal range.

This hormone regulates your blood sugar level. When your blood glucose is elevated above a normal range, the insulin is released from the pancreas. It then attaches itself to the cells and signals them to absorb the excess sugar from the blood stream. 

If your blood sugar level is low, insulin signals the release of stored sugar to the blood stream to maintain the normal level of your blood glucose.</span>
4 0
3 years ago
A red blood cell and plant root hair cell both have​
Alekssandra [29.7K]

Answer:

The job of both red blood cells and root hair cells is absorption. Red blood cells absorb oxygen through pulmonary veins and their capillaries in the lungs. Root hair cells, on the other hand, absorb water from the soil and transport them to adjoining cells for photosynthesis purposes.

8 0
3 years ago
7 extra points please help its for biology on potential energy!!!
devlian [24]

Answer:

i Had that answer before and I forgot the answer sorry

8 0
3 years ago
Which of the following statement(s) is/are true regarding the adrenal glands' relationship with the autonomic nervous system?
Studentka2010 [4]

Answer:

The true statements regarding the adrenal glands' relationship with the autonomic nervous system are:

a. The adrenal cortex is an extension of the parasympathetic nervous system.

c. The adrenal glands are strictly nerve tissue.

d. The parasympathetic division stimulates the adrenal cortex to secrete glucocorticoids.

e. The adrenal medulla is penetrated by the fibers of the sympathetic nervous system.

Explanation:

The  levels of the central nervous system which play important roles in influencing the autonomic nervous system include cerebral cortex, hypothalamus, brain stem, and spinal cord.  Usually, epinephrine (adrenaline) and norepinephrine are released into the blood stem when stress or a threat occurs.  This alert serves as a warning signal and defense system.  The purpose is to maintain homeostasis.

4 0
3 years ago
Which level of organization completes a series of task?
tia_tia [17]
Option C would be correct. The organ system can plays many parts at one time. Also, it is the only system listed.

Hope this helps!
7 0
3 years ago
Read 2 more answers
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