Answer:
Explanation:
drugs can cause the brain to malfunction a lot of times and you can feel dizzy and get constant symptoms also if you take a drug without permission you can die from it here are some facts about How do drug uses affect the brain
To kill a foreign object, the white blood cells need to recognize the object by looking at their cell receptor. If the virus changes its receptor, it won't be recognized by the white blood cells. The immune system cant fight the infection if they don't learn to recognize the new form of the virus. This makes the virus hard to fight
Answer: Option C.
Tundra
Explanation:
Tundra is a biome that has low Precipitation. Precipitation is a form of water that fall from the atmosphere to the Earth surface. Which could be inform of snow, sleet e.t.c.
Tundra is the coldest of all types of biomes. It has low temperature, little precipitation,low nutrients. It is located near the north Pole of the Earth. It is characterized by permafrost, permanent frozen layer on its surface.