Answer:
Explanation:
Density is
mass / volume = d
Mass:
840g
Volume:
7 cm x 4 cm x 10 cm = 280 cm^3
840g / 280 cm^3 = 3 g/cm^3
Answer: C (The first species to populate an uninhabited area)
The value of x will be "1.4".
The given values are:
y = 9.6
z = 4.0
As we know,
The relation between x, y and z is:
⇒
and,
On substituting the given values, we get
I think it's D
sorry if I'm wrong.