Answer:
Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.
Igneous rocks are interlocking crystals. Are formed through the freezing or crystallization of a melt. Hope this helped, have a great day! :D
The correct answer is option D. She should place one flower in a similar container, but not pump carbon dioxide into it. She should also give each plant the same amount of water.
In the experiment, a control should be present to compare the effect of the variable in the experiment. In the control sample, all the parameters except the variable should be same as the experimental group. In this way, the comparison of the effect of variable can be easily done in an experiment.
In this case, the variable is amount of carbon dioxide the plant receives. So, Stella should include a control group by placing the plant in the same container and leave it on atmospheric carbon dioxide supply, no extra carbon dioxide should be pumped into it. Also, the amount of water she give to each plant should be the same to maintain the water level as constant.
Answer:
2 clothing has changed bc the needs based on the environment and advancings culturs its supplied to support the needs of its wearer. It has also changed to impress others or simply to just fit in and not be left out.
