Answer:
C. 3
Explanation:
An embryo forms three distinct cell layers, and each layer develops into different types of cells and organs.
they cry alot when their teeth are growing in
Answer:
The area which is surrounded by nature is known as environment.
Pandemic- companies losing money not being able to pay employees.
Handicapped- Not able to move around or having capabilities to work
Four. The human heart has four valves.
