Its is already a balanced equation so the option a.1 would fill in for the blank.
I think the answer is d because the bodys first line of defense is both physical and chemical barriers ect. skin, tears, mucus, cilia, stomach acid and urine flow
Answer:
I'm pretty sure the answer is C. Physical weathering
Explanation:
sorry if it's not :(
OK....
The scientific name for Methanohen would be
Methanobacterium Thermoautophicum
H0P3 It H3LPS :)
