Answer: I think It might be 1 M???
Explanation: Sorry I'm not in high school I put the wrong age
6.8x10^5? Scientific notation
Answer:
1 kg
Explanation:
prefix nano means 10^-9
kilo 10^3
mili 10^-3
centi 10^-2
the largest amount is 1 kg
Answer:
We are dependent on plants and plants need CO2 from enviromen
Explanation: