D I believe that’s the answer
Mitosis - Asexual, diploid, 1, 2, during the synthesis phase.
Meiosis- sexual, haploid, 2, 4, during the synthesis phase.
Some examples of skills used in science include Observation and Measurement. Observational Skills and Measurement Skills.
Over a millions of years of animals and plants being crushed down in the ground<span />
The word sponge is more appropriate to use than Underground river since an underground river can loose water while an aquifer cannot loose water, unless it is open-air and above ground. then the aquifer would slowly loose water due to evaporation from the sun.