Answer:
Loosen any tight clothing.
Explanation:
They are able to use imperatives and interrogatives.
They frequently use the auxiliary verb "have" in statements.
Answer:
Jonas Salk
Explanation:
He is credited as the creator of the first successful polio vaccine. He was also a medical researcher.
Answer: Steam burns the skin worse than hot water because the heat of vaporization is released as well.
Explanation:
The steam exhibit more energy than water at the same temperature that is 100° C. The steam uses the latent heat of vaporization so as to get vapourize and water do not exhibit energy. This latent heat of energy causes severe burns due to steam as compared to water. Steam burns are caused by the heat of vapors and they form scalds.
