Answer:
This will most likely accelerate the process. So the answer is 1.
Answer:
The process of making glass involves a chemical change. While a physical change describes change in the superficial properties of a substance-- like melting ice into water, or tearing up a piece of paper-- a chemical change alters the chemical makeup of the substance itself.
Explanation:
Answer:
The explanation of any natural phenomena requires the proper observation, experiment and research methodology. The experimental design should not violate the ethics and do not cause harm to the living organisms.
The testing of any drug requires the involvement of the experimental group and control group. The experimental group must given the tested drug to known its effect and compared with the control group that will get the placebo understand the psychological effect of the drug.
i think it’s C but i could be wrong i’m sorry :(
The name for the protective structure that forms around an embryo is called Placenta