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natka813 [3]
3 years ago
9

HELP I NEED THIS DONE IN 20

Biology
1 answer:
never [62]3 years ago
6 0

Answer:

A

Explanation:

Hopefully this helps

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Chemoreceptors in the circulatory system detect changes in circulating pCO2. If CO2 concentrations get too high, the rate of ven
Levart [38]

Answer: The more active cells produce more carbon dioxide.

Explanation:

When the cells are constantly working the amount of oxygen consumed and more amount of carbon dioxide is released by the cells.

Chemo receptors in the circulatory system increases the ventilation so that more carbon dioxide can go out of the cell and more oxygen can get inside the cell.

This is because the more active cells more carbon dioxide and there is a sudden increase in the concentration of carbon dioxide which need to be corrected by the help of ventilation.

6 0
3 years ago
Utah has the largest concentration of oil shale and tar sands in the United States. Which statement identifies a disadvantage to
aivan3 [116]

Answer:

Extraction of oil from tar sands is not economically feasible.

Explanation:

6 0
3 years ago
What would happen to your food web if the phytoplankton died out because of water pollution?
klio [65]
Less prey means less predatoors
5 0
3 years ago
Plz help me with this
allsm [11]

Answer:

Solutions are formed when the water's polar molecules separate the polar molecules of an ionic or molecular compound

Explanation:

Water can hydrogen bond to other molecules due to the O-H bond present in water with partial charges. Water can form hydrogen bonding with other polar molecules. The answer would hence be Solutions are formed when the water's polar molecules separate the polar molecules of an ionic or molecular compound(because polar water dissolves polar molecules in between their interactions).

6 0
2 years ago
Two heterozygous red flowers (white flowers are recessive) are crossed
e-lub [12.9K]
It would be: Rr × Rr
Result of cross would be: 1RR, 2Rr, 1rr

So, it's genotypic ratio = 1:2:1
Phenotypic ratio = 3:1

Hope this helps!
4 0
3 years ago
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