As we know that;
Density= mass/volume
By rearranging
Mass=. Density* volume
Mass=. 0.2*45
Mass=. 9 grams
PLEASE NAKE IT BRAINLEST I NEED ONLY 1 BRAINLEST FOR PROMOTION
Answer:
2.Echosystems
Explanation:
As we know diversity means variety of different species with in the species and species are most likely concern to our echo system.
One will fall faster than the other, but only if the gravitational force applied to each one is different
B. Mutation, because mutations are random alleluia changes that change future generations