A scientist performs a test cross by mating a RrWw fly with an rrww fly to produce the following offspring?

hope this !

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

read more on -

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.