Answer:
Spiders and ground beetles.
Why is Anthony so mean? Don't hurt the beetles!
It is rinsed with ionised water to remove any impurities that may be present
All of them are a source of getting energy but solar and wind energy are a more beneficial way of producing the energy we need.
Coal is not a mineral. It's not a mineral because minerals are inorganic. Coal is organic because it comes from decayed living matter.
Density = mass / volume
= 69g / 23 ml
= 3 g / ml.
Thus, the density of the sample is 3 grams per ml or 3g/ ml
