Which of the following is the best hypothesis? O A. Water and Air would be a good name for a rock band.
B. How much energy do I need to heat 100 g of water from 20°C to 40°C?
O C. More energy is needed to heat 100 g of water than to heat 100 g
of air.
O D. Water is often warmer than air.

answer: the rock sample is a sedimentary rock.

explanation:

it is given that:

mass of rock sample, m = 2.7 g

volume of rock sample,

so, density of rock sample will be

since, the density of rock sample is . hence, the rock sample is a sedimentary rock, whose densities varies between .

1/0.14nm = 10^10/1.4 a lot