2points which example best describes food engineering? o a. shopping at a local farmer's market to get the freshest produce o b. freeze-drying blueberries to extend their shelf life o c. using plastic containers to store leftovers o d. growing a home garden

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.

d) a person who learns about the world by observing it.

explanation:

scientist are people who discover why and how things are done and made in the world.