<span> Amoebic dysentery is caused by the amoeba Entamoeba histolytica. This protozoan exists in nature in the cyst form and is transmitted by contaminated food and water. In patients, the amoebas revert to trophozoites and invade the intestinal lining.
Your answer is C.
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Since it a metalloid it has metal and nonmetal properties while the rest of the group are all metals.
Answer:
B- finding new sources of freshwater
Explanation:
To solve the world water crisis we need to conserve water. Finding new sources of water increases the rate of drought, famine and water scarcity in zones. It can also act as a factor of desertification. We need to reduce, reuse and recycle when trying to conserve a resource.
Answer:
Survival of the fittest is where the most adapted or best well suited animal will survive and thrive.
Explanation:
Answer:
The answer is statement 3: Smaller class size is related to better academic performance
Explanation:
An hypothesis is an assumption taken to be true for the purpose of investigation.
Unlike statement 3, the statements 1, 2 and 4 are more like facts, since they are definite.
Thus, statement 3 tells of an assumption, and is an hypothesis