Answer:
Increase in biomass
Explanation:
All the other choices have attributes that influence the density property of water except biomass. Biomass is organic material/ matter that is mainly carbon-based – mainly derived from plants and animals. This has no relationship to water density even when the biomass is in the water because it's only gets suspended like sediment and does not get dissolved in the water.
We colonize Mars by making environment suitable for our survival.
<h3>How you would colonize Mars?</h3>
We colonize Mars by making environment suitable for our survival. We should make a chamber for living and colonizing on the planet Mars because the environment of Mars is harmful for our body and health. We should exploit resources present on the Mars and make the soil suitable for the plantation of crops so that we can produce our own food.
The purpose of living on the Mars to discover the hidden sources of the planet so that the coming generation can use it when they wants to colonize there.
If all the sources needed for good living is available on Mars, I will not go back to the earth.
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The sugar pill serves as a control.
The control in experiments is a sample that remains the same throughout the experiment and it is used to compare the results of the main experiment to. It serves to guarantee that changes noted in the experiment are from the variables introduced and not something else.
