What is not the ultimate goal of science is to produce unchanging and absolute answers . Scientists would like to, however, understand patterns, give explanations for natural events, and even make predictions.
And it isn't really the case that they would like to produce unchanging answers.
Non-renewable energy sources are sources that will run out in our lifetimes and for the following lifetimes. Coal is a non-renewable resource. It is a black or brownish rock that produces energy when burned. Oil is a non-renewable energy. Oil is a liquid fossil fuel. Oil can be access through drilling the earth’s crust or the ocean floor. Wood is a renewable resource. The seeds can be planted again to create more trees and obtain wood. Natural gas is a non-renewable resource. It is found a few hundred meters underground. It is mostly made up of methane.
But the many-celled algae, make their food by photosynthesis. Plants have complex, multi-cellular reproductive systems and might need wind, birds, or bugs for pollination. Algae can reproduce through tiny spores or even by replication or the growth of broken piec
I believe it would be proteins
