Plz help me it 10 points

Which factor is capable of influencing your sense of self? options: a) social environment b) intelligence c) profession d) social standing

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

During a formal discussion in his science class, kai will be speaking about the important of exercise. what is the best advice he can follow to be a prepared speaker