If the genotype of an organism is YySsTt, then ysT would represent

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

not always but somethings can be reproduced in a laboratory.

its b. greenhouse gasses trap uv rays for heat so that the plants stay alive.

answerbacterium;