If the ozone layer becomes weaker A
More ultraviolet radiation can reach the Earth's surface
B
No ultraviolet radiation can reach the Earth's surface
с
Earth would be unaffected by this change
D
Less ultraviolet radiation can reach the Earth's surface

depends where

on my head

yes

on my legs

yes

on my

arms

yesh

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

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 . : ) : ) : )