DDT was used during second world war to control malaria among the troops and the civilians. Later, it was used as pesticide in agricultural and household practices. Due to its excessive use it entered into the food chain and its amount in the food crossed the permissible level. So, it was banned by United States.
Answer:
A.
Explanation:
The flower would lean towards the window
C. Increased genetic variation
No.... the weight of a substance is the mass of the substance multiplied with the acceleration due to gravity on it.