Answer: i know the answer but i just cant think off the top of my head i am sorry i really want to answer though but if i figure it out i will tell you
Explanation:
Sprinkler systems because there are signs next to them that say do not drink recycled waste water
Answer:
The number of protons in the nucleus of an atom is its atomic number (Z). This is the defining trait of an element: Its value determines the identity of the atom. For example, any atom that contains six protons is the element carbon and has the atomic number 6, regardless of how many neutrons or electrons it may have.
D.three tissue layers I think
There will be no food for carnivores if herbivores were removed in the food web.