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Taya2010 [7]
3 years ago
8

About one quarter of drugs prescribed in the U.S. comes from

Biology
2 answers:
S_A_V [24]3 years ago
8 0
A because weed comes from a plant and is harvested. cocaine also
Alexxandr [17]3 years ago
6 0
I'm not sure but I think the answer is A. Plants. Then again I'm not 100% sure that this is correct
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The skeletal system is the body system composed of bones and cartilage and performs the following critical functions for the hum
tigry1 [53]

Answer:supports the body

facilitates movement

protects internal organs

produces blood cells

stores and releases minerals

Explanation:

The skeletal system in animals helps in their movement, support and to maintain their shape.In humans ,it consists of bones,which works closely with the muscular system.unlike worms and arthropods that have hydrostatic and exoskeleton respectively, humans have endoskeleton.the bones have the following functions;

*It allows the animal move . The skeleton provides support for the body and through the flexible joints ,the body is able to move

*The skeleton protects the internal organs of the body by protecting them against impact.for examples,the ribs protect the lungs and the skull protects the brain.

*Certain cells in the bone produce immune cell and important components of the bone

*The bones also regulate the level of calcium in the blood

8 0
3 years ago
Read 2 more answers
What sample is taken from a pregnant person to perform a maternal serum screening test?
adoni [48]

Answer:

A blood sample is taken. I hope this helps! :)

7 0
2 years ago
How much energy must these squid and small fish consume to sustain the elephant seal population
Inessa05 [86]

Answer:

<em>Well, Since the elephant seals consume 200,000 calories from the squid and small fish, this means that the squid and the small fish get 2,000,000 calories from their food, thus they are able to sustain the population of elephant seals. Hope That Helps!</em>

6 0
2 years ago
An object has a mass of 8.00 kg. what is the force due to gravity in the object
givi [52]

Answer:

Explanation:

When a mass of 8 kg is located on the Earth's surface, the magnitude of each of

the gravitational forces attracting the mass and the Earth toward each other is

      (mass) x (acceleration of gravity on Earth) =

     (8.0 kg) x (9.81 m/s²) =

               78.48 kg-m/s²  =  78.48 newtons  (about 17 pounds 10.2 ounces)

4 0
3 years ago
A population of animals is split in half by a river or speciation is completed at the two has a joint when you grout causes the
yuradex [85]

Due to huge effect use of Drought the population of animal get extinct.

Explanation:

Droughts can have a severe impact on the extinction of animal populations, specifically in Arid and Semi environments. Different type of climate changes can accelerate the dying of particular species or animal population.  

For extinction of population and also species Droughts play vital role. Droughts are one of such severe climatic change that leads to the extinction of species. Some life traits of specific Species make it vulnerable to drought.  

3 0
3 years ago
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