Challenge: Based on the weathering patterns, guess the rock type shown in each photo.

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )