Answer:
b
Explanation:
I think B because its saying that perhaps watering with salt water would make them grow faster, you don't know yet unless tested.
Answer:
The answer is D.
Explanation:
Everything else about the experiment works out great, but in order to have a proper control versus changed, the same person should be pushing and pulling.
Answer:
Calcium (Ca) is in group 2 and period 4 on the periodic table be because Calcium has 2 valence electrons and 4 electron shell. Thus, calcium is a metal like all other group 2 element.
Explanation:
Answer: gas
Explanation: in a solid, particles are close together and neat but in a gas they are flying all over the place
It’s the first two answers isn’t it? Because xy=k is inverse