Answer:
D, a gas produced durning photosynthesis (i think)
Explanation:
Just finished the final exam
Commonly, genes from bacteria are inserted into a crop's chromosomes to produce pesticide substances to kill insects
For drought, I'm not fully sure, but Maize is a very drought resistant crop often introduced to communities which receive little rainfall. Maybe they take a gene from the maize crop and insert it into the chromosomes
there is mostly billions of amount of water from raindrops each day i think.
If You want a EXACT number i'll say, 1,100.
Two key characteristics of a good scientific investigation are hypothesis and observation of whatever organism your studying.
