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Vikentia [17]
3 years ago
5

_cover 1/3 of land on Earth.

Biology
1 answer:
liq [111]3 years ago
4 0

Answer:

Sand

Explanation:

whoop whoop

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Three stages of development from an embryo from a fish salamander turtle and chicken . What information about evolutionary relat
tensa zangetsu [6.8K]

Answer:

Zygote, cleavage and hatching are embryogenic stages of fish, salamander, turtle and chicken.

Explanation:

The main embryogenic development stages of fish, salamander, turtle and chicken were zygote, cleavage and hatching. all these stages are present in these organisms which shows that fish, salamander, turtle and chicken are evolved from a single ancestor. Due to similar embryogenic development stages indicates close evolutionary relationships among these organisms.

3 0
3 years ago
If you exercise at an intensity of 1 liter of oxygen per minute, about how many calories would you burn in one hour?
ANTONII [103]
When exercising carbohydrates an fats are oxidized to release energy used by muscles, during this oxidation 1 liter of oxygen is equivalent to approximately 5 calories. Therefore if one liter of oxygen is consumed every minute during exercise, then in an hour 60 liters of oxygen will have been used. But since one liter of oxygen is equivalent to 5 calories, then in an hour 300 calories will have burned.
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3 years ago
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Suppose you are a scientist trying to help people who cannot produce an enzyme needed for proper digestion. How could you use ge
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8 0
4 years ago
The rda for protein increases by an additional ______ grams per day during pregnancy.
Artemon [7]
The RDA for protein increases by an additional 25 grams per day during pregnancy.  Protein RDAs are calculated using 0.8 grams of protein per kilogram of body weight, which means an adult weighing 68 kilograms needs at least 54 grams of proteins each day . The RDA for pregnant and nursing women is a bit higher because of the protein needed for the growth of fetus, it is about 71 grams of protein per day.
8 0
3 years ago
A force that causes mass movement is called
gavmur [86]
A force that causes mass movement is called weight. I hope this helped

Have a great day!
4 0
3 years ago
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