They only allow certain substances to go through.
Scientists use a two-name system called a Binomial Naming System. Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species. The first word is capitalized and the second is not.
Answer:
beryllium (Be). Beryllium metal is relatively unreactive at room temperature, particularly in its massive form.
Explanation:
3- stay indoors
2- most likely need an umbrella
1- don’t need an umbrella
Provides energy to the cell
