One way to remove dirt and harmful substances from water is by filtering.
Answer: decrease
The temperature at which the air needs to be cooled down at constant pressure, the water content reaches saturation is called as dew point. At this point the the relative humidity of air is 100%. The air cools to form liquid water. In the dew point the temperature of the air decreases so that the air cools down to form water in the form of dew.
DNA stands for Deoxyribonucleic acid. DNA consists of your chromosomes which is the genetic makeup of your physical and genetic traits.It is a double helix structure that can be analyzed with a highly powered microscope like the electron microscope <span />
Answer:
A plant without fertilizers
Explanation:
A control group is a group where no changes are made so that it can be compared to the group that was tested on, or the independent test variables, to see the difference. So, a plant without fertilizers would be the answer.
<em>hope this helps ♥</em>
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.
