Answer:
D or A
<em>But I do know...</em>
It's because new strains of the virus are constantly appearing and evolving, so the vaccine must change along with them.
Answer:
H
Explanation:
This will give it the perfect balance to roll straight and steady.
It would weigh more: the more mass an object has the more weight is added
Answer:
100 yard = 9144 centimeters
9144 / 3.2 = 2,8575 round off
= 2,858 paperclips
Explanation:
The answer is boiling liquids I think