bro this is so easy,
if to animals fight, the one more adapted, prepared or psychically built will win will the weaker one lose and die, which is natural selection at its finest.
First they don't use oxygen, plants use the CO2 in the air and release oxygen out into the air after the plant used up the CO2
The nucleus of an atom is where the protons and neutrons are. The electrons circle around the nucleus.
If you need a better explanation just ask in the comments.
Happy to help! Please mark as BRAINLIEST! Thanks
Stem cell research is controversial because it involves ethical issues. This is due to the fact that scientists are literally using human embryos for their research, which may not resonate with one's moral/ religious viewpoint.
