One way to remove dirt and harmful substances from water is by filtering.
The situation is an exponential growth wherein an example is on population when as the population gets larger, it grows more quickly.
Crossing over occurs between prophase I and metaphase I and is the process where two homologous non-sister chromatids pair up with each other and exchange different segments of genetic material to form two recombinant chromosome sister chromatids. So the answer would be Prophase l. Hope this helps
Answer:
Mitochondria
Explanation:
They are made of two membranes. The outer membrane covers the organelle and contains it like a skin. The inner membrane folds over many times and creates layered structures called cristae. The fluid contained in the mitochondria is called the matrix.