Answer:
No.
Explanation:
No, writing "are a" in a sentence is not correct because ''are '' is used for plural objects or things such these are boys, footballs are big etc while n the other hand, ''a'' is used for singular objects such as a ball, a boy etc so these two words which are used in separate sentences not in a single sentence with each other. so we can say that we can't write "are a" in a single sentence.
Answer:
three half-lives
Explanation:
Converting 12.5% to decimal gives 0.125
If one half life is 0.5.
0.5*0.5*0.5 gives 0.125
Thus 3-half lives has been elapsed
Answer:
Some of the things that worms eat include dead plants, live plants, dead animals, animal poop, and other microscopic animals. After they eat, they grind up and digest their food and pass the rest as waste, called castings, which go back into the soil and help plants grow and stay healthy.
Whale skeletons support so much life because they contain an enormous amount of oil. Before this happens, they must release enough eggs or larvae so that some tiny proportion will be transported by the ocean currents and survive until they can find and colonize another whale carcass.
The Suez Canal conflict was a military victory for Egypt.
So, your answer is option B. Egypt.
Happy Studying! ^_^