Ava is five weeks pregnant, and her fetus is beginning to develop three layers that will form the essential human functions. What will the ectoderm layer become over the course of Ava's pregnancy?
heart, circulatory system, bones, muscles, and reproductive system
skin, nervous systems, connective tissue, and eyes
hair, fingernails, and eyebrows
lungs, intestines, and bladder
Answer: B
Explanation:
Skin, nervous system, eyes, and connective tissue
Why do some people struggle with water scarcity?
A.
Freshwater resources are not evenly distributed across the Earth’s surface.
B.
The polar ice caps are melting.
C.
There is no freshwater available in desert areas.
D.
People who live near the coast have more access to freshwater than people who live inland.
Please select the best answer from the choices provided
A
B
C
D
Answer:A
Explanation: Tell me if im wrong but A makes most since since some places don't have water
People are facing water scarcity because of the over use of water resources and not maintaining out the proper water resources. Over pollution and the poor maintenance has made this situation worse.
What is water pollution ?It is the pollution of the water resources in which the water gets contaminated because of the pollutants that are disturbing the water resources.
Water scarcity is the situation in which the water resources gets a disturbance in which they make them contaminated. Because of the poor maintenance of the water resources in which they are over used, made a harmful impact with making the water polluted.
Where as there are certain areas in the country where the water resources mainly the fresh water is not available that much but there are desert areas where the water is just present at the mirage effects only.
Learn more about fresh water at :
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What are two advantages of a multidisciplinary team approach?
better diagnosis in complex cases
shared responsibility for decisions
more opportunities to conduct clinical trials
more opportunities for leadership roles
less time needed for writing reports
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Explanation:
Which of the following causes some older men to lose their muscle strength?
Oa decrease in the hormone testosterone
O an increase in the hormone estrogen
O an increase in the hormone testosterone
Oa decrease in the hormone estrogen
Answer:
A decrease in the hormone testosterone
Explanation:
It not only helps with stimulating sperm or helps the sex drive of a man but it also helps with muscle mass it helps control weight and increases energy. When a man gets older they start losing that hormone which means lower sex drive and losing their muscle mass over time hence why they lose a lot of muscles they gained throughout their lives.
Hope this helped :)