Answer:
The direction of sunlight
The amount of resources they had access to
Explanation:
Plants on Earth provide food, some even provide shelter to some animals, and plants such as trees provide oxygen to the environment.
Answer:He or she is looking for a difference in the two objects
Explanation:
<span>Vaccines help develop immunity by imitating an infection. but it does cause the immune system to produce T-lymphocytes and antibodies. Sometimes, after getting a vaccine, the imitation infection can cause minor symptoms, such as fever.</span>
