Answer:
About four or five days after fertilization, a group of cells forms a ball-like
structure. What is the name of this structure?
After fertilization, a zygote is formed afterwards which carries the genetic materials passed across from both parents
Explanation:
No they cant be mechanical because then something would have to generate their rays through the inventing of a machine.
Why don't u ask your teacher
This is apoptosis. in reference to sunburn, this is when cells die in order to protect you and your skin from damaged skin DNA (possibly cancer causing).
Answer:
I think A is true
Explanation:
Any combination of atoms is a molecule, but when its a combination of atoms from different elements, its known as a compound.
