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svetlana [45]
3 years ago
10

Where are most of thetundra regions found onEarth?​

Biology
1 answer:
laila [671]3 years ago
7 0

Answer:

North Pole

Hope this answer helps you.

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The nurse assesses a patient with a heart rate of 42 and a blood pressure of 70/46. what type of hypoxia does the nurse determin
nlexa [21]
<span>The nurse determines this patient is displaying Circulatory hypoxia.Sickle cell anemia can lead to circulatory hypoxia as the cells sickle in the blood vessels and block them. It also produces an anemic hypoxia as the sickled blood cells are removed from circulation.</span>
3 0
3 years ago
A maternal effect can cause the offspring phenotype ratio to depart from that of classic Mendelian inheritance. In a species of
MArishka [77]

Answer:

A. 4 right handed coil:0, left- handed coil

Explanation:

According to MENDELION CROSS:

We will get  NN, Nn,Nn,nn

NN, Nn, Nn are the 3 right handed coiling and nn is left handed coiling.

But in case of shell coiling in snails, maternal inheritance is applied in which offspring is decided only by phenotype.

Maternal traits: Here,female parent has right handed shell coiling. so, all the offsprings will have the same.

Hence, the phenotypic ratio will be:

4 Right handed coil: 0 Left handed coil

8 0
4 years ago
What is the relationship between activity level and heart rate?
MA_775_DIABLO [31]

Answer:

Increased activity increases heart rate

Decreased activity decreases heart rate.

Athletes typically have lower resting and active heart rates

Explanation:

4 0
3 years ago
Darwin observed many fossils during his time in the Galápagos Islands and along his voyage. What did he learn from these fossils
zysi [14]
D. All of the above are correct
8 0
4 years ago
Need help asap!!!
kow [346]

Answer:

first blank - bioremediation ; second blank - oxygen

Explanation:

Bioventing is a process of stimulating the natural in situ biodegradation of contaminants in soil by providing air or oxygen to existing soil microorganisms. Bioventing uses low air flow rates to provide only enough oxygen to sustain microbial activity in the vadose zone.

7 0
4 years ago
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