Where are your scratch tests? The question cannot be answered without having them to look at.
Answer: Smallpox
Explanation: Small pox is an ancient disease which is caused by the Virus named as Variola virus. Early symptoms are fatigue and high fever.
The virus then after produces rash on faces arms and legs. The spots gets filled with fluid and pus and in later stages it turned into crust.
This crust eventually dried and falls off. It was fatal in almost 30% of the cases.
It eradicated by a collaborative global vaccination program which was led by WHO.
1. is (A) because mouse and deer are not in the same ecosystem.
2.is (D) because both antelope and domestic cattle do not affect each other.
3. is (B) because food is important factor.
4.is (C) because without home it is not possible to adapt in an ecosystem.
