Answer:
baseball, obstruction is when a fielder illegally hinders a baserunner running within the basepath. Baserunners are generally permitted to run from base to base without being physically blocked or hindered by a fielder.
Answer:
c
Explanation:
A, B, and D, are entities that are designed to protect the environment from pollution
C, on the other hand is only about noise control
Answer:
denaturation
Explanation:
Protein denaturation is the cumulative result of changes in the biochemical, chemical and physical properties of the protein due to a small disturbance of its composition.
It is an embryo because a zygote is just a cell and it turns into a fetus after 8 weeks