Answer:
Cell wall, Vacule, Plastids
Explanation:
This is gravity.
Gravity is a force that is exerted on all objects on earth. The greater the mass, the greater the force of gravity is on an object.
Answer:
B
Explanation:
Proteins are made up of smaller building blocks called amino acid.
Not all of those offspring are likely to live to adulthood, whereas the parent penguin can pay attention to the one chick it has so it is more likely to live to adulthood
