It was an asteroid that came to earth two billions years ago and scientists says that there might be another one coming.so we might live in space for a couple of months or years. so that why the dinosaur die.
Yes a TT plant and a Tt plant are both tall because for it to be short it has to be tt.
Hope I helped :)
D Energy input from the environment is stored in food molecules
during photosynthesis.
its correct.
1- Paleozoic era
2- mesozoic era
3- Cenozoic era
