Answer:
D
Explanation:
Fire is man made because for there to be fire you have to strike a match or use other man made sources
2 and d i believe, it's the only one that makes sense
1 is the mitochondria which is where energy is produced
2 is the endoplasmic reticulum which regulates proteins
3 is lysosme which gets rid if wastes
4 is the cell wall which acts as a shield for the cell
The atoms in a water molecule are held together through a covalent bond.
First a princinpal rewiew aĺl on my notebook or find something in internet about it
Answer:
CGAGTTAAGCTGGAT
Explanation:
thymine pairs with adenine and guanine pairs with cytosine
T-A
G-C