Answer:
Guard cells prevents this from happening
Answer:
B is true .. atmosphere always changes day by day
Answer:
The function of the ovum is to carry the set of chromosomes contributed by the female and create the right environment to enable fertilization by the sperm. Ova also provide nutrients for the growing embryo until it sinks into the uterus and the placenta takes over
Explanation:
would you mind telling me witch one? theres a few.
