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3 years ago

If a person has a blood-calcium (Ca) level of 8 mg/100 mL of blood, which of the following

Biology

1 answer:

brilliants [131]3 years ago

7 0

Answer:

The kidneys take of up more Ca2+ and release vitamin D. The bones release Ca2+. The intestines increase reabsorption of Ca2+.

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On Sam’s laptop, and Arun puts his laptop on Odessa’s laptop. The diagram above shows the laptops before they touch each other.

nexus9112 [7]

Answer:

I think it would be A

Explanation:

Sorry if it's wrong :(

7 0

3 years ago

A species of cactus has spines. How would biologists explain how a species of cactus with spines evolved from an ancestral cactu

sergejj [24]

Answer:

It needs the spines for protection

Explanation:

The cactus would develop the spines as a form of protection to protect itself from being consumed and to survive longer.

8 0

3 years ago

Alpha Centauri B is a star that is about the same size as the Sun. Why does it appear much smaller and dimmer than the Sun when

lyudmila [28]

C. Although Alpha Centauri B is similar in size to the sun, it is much further away from earth. The sun is 8 minutes away from earth at the speed of light, while Alpha Centauri B and earth is more than 4 light years apart.

4 0

3 years ago

Read 2 more answers

Somebody help me out

Bingel [31]

Answer:

$SecondOption$ - "Mid oceanic ridge"

Explanation:

Mid-ocean ridges are formed by divergent plate boundaries in the ocean. This is where upwelling magma creates new seabed. A diverging plate boundary occurs when two plates move away from one other. Magma rises from deep beneath the Earth and erupts along these boundaries, forming new crust on the lithosphere. The majority of divergent plate borders are undersea, forming submerged mountain ranges known as oceanic spreading ridges.

Hope this helps! :D

$Brainliest=Appreciated < 3$

6 0

2 years ago

Answer pls bio will give brainliest to correct answer!!

juin [17]

Answer:

genome, cloning

Explanation:

Bacterial plasmids carry a genome against a specific antibiotic. The process whereby bacterial cells take up the plasmid with the resistance gene is called cloning.

7 0

3 years ago

Read 2 more answers