Answer:
The answer is A
Explanation:
It is logical because the balloon lets the student see how much gas is released in the reaction. the balloon inflates with invisible air the student will normally not see.
<span>Comparative embryology is the study which determines the organisms that have the same and almost identical embryo development.
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While, comparative morphology is the scientific study of organisms where their structures, physical entities and elements are identified to be similar or dissimilar. Using only simple basis of empirical observation, a scientist can detect whether two animals are of the same family or not.</span>
Answer:
This is called Night blindness.
Explanation:
It is also known as nyctalopia and is a vision impairment. this happens when the rods in the eyes do not transform light into the nerve impulses efficiently and easily than normal. As a result you will be having hard time seeing in dark places where there is only minimal light.
This is can be caused by cataracts, nearsightedness, usher syndrome or deficiency of vitamin A. These can be cured by certain procedures. To prevent developing this eye problem, it is important to take care of your eyes. you should monitor sugar levels and eat the right foods. foods that are abundant in vitamin A and other antioxidants would in preventing it.
He difference between acute stress and chronic stress is one of severity and time. Acute stress is short lived and may not have very severe effects on you. Chronic stress is when you are under stress<span> on an ongoing basis and can lead to physical disease, mental disorder and spiritual dark nights of the soul.</span>
Answer:
Explanation:
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