Answer:
Dear brother,
Scientific subjects are very important to your and I's daily lives! Astronomy, chemistry, and basic cell science takes place all around us! It would be scary to live in a world we don't understand, wouldn't it? But, studying the science around us can ease that. There's even a science to making a daily cup off coffee, as the coffee beans saturate hot water in the coffee maker. Understanding these types of things is very important, otherwise we wouldn't know how many things work, like how ice melts or how many days a year we have due to the orbit of the Earth!
The word that cannot use the suffix ful is value because there is no such thing as “valueful”
I think Snake would because it could cause fear in a person
“He answered her in a voice that was dry and hoarse, as if he had swallowed a desert.”
