Answer:
mass= 14kg
Explanation:
density= mass/volume
so that means mass= volume x density
m= 2kg/m³ x 7m³
m= 14 kg
Hope this helps
Answer:
B or D
Explanation:
.....I'm pretty sure I earned on some kids tv show
It depends. many of the websites i see answering the questions are all over the place, but good luck.
1. There is no graph given
2. ENERGY LEVELS!!!
Boiling is the process of liquid(middle energy, flat line) turning into a gas(lots of energy, flat line), hope this helps