Answer: D. magnesium
Explanation:
Chlorosis is a condition in which the leaves of the green plants do not have enough nutrients so as to synthesize the chlorophyll to keep the leaves green. Thus the leaves loose their color. The loss of chlorophyll from the older leaves is the characteristic feature of magnesium deficiency. It happens when the soil in which the plants are growing lacks magnesium.
Answer:
its too long which one you want
Explanation:
Say any one question answer!!!
Answer: A. True.
Explanation:
The AIDS virus may constantly change it's form in the host body by mutating. The body immune system becomes unable to produce antibodies which can fight against these mutated cells.
Also, the vaccination used for the purpose of immunization will not be able to combat will the causative agent in the body of the host. As the vaccine contains the microbe which can fight against the virus present in the body. But as the virus is changing it's form the microbe may not be able to compete with the virus. Hence, the use of vaccine will become useless.
The correct answer is c because glaciers are one of our main sources for fresh water
Cold front brings a sudden drop in temperature sometimes with hail , thunder , and lightning . Warm fronts bring gentle rain or light snow , followed by warmer , milder weather . Stationary front brings a cold and warm air together and neither air mass has the force to moved the other . Occluded front brings a warm air mass that gets caught between two cold air masses .
