Photosynthesis is crucial for life on this planet, if photosynthesis did not happen the glucose on this planet would be used up quickly ,leaving no energy in a usable form; therefore ending life on this planet.
Answer:
C
Explanation:
He is doing the same exact experiment, and is not changing anything. This is a replication of an experiment.
Answer:
kitchen sink
Explanation:
Blackwater is a mixture of the substances that come from cleansing water and greywater is the one that comes from the things that are not in the toilet.
Greywater that should be considered as blackwater is water from the sink. It contains fats and oils and many organic substances.
Blackwater has a big range of materials that put it into this classification. It should be treated with chemicals for disinfection.
It is important because it provides health to the earth and us so that the life cycle can keep running smoothly
