i think it is D, she has already constructed the hypothesis and needs is performing the experiment. there is not much of an observation stage because she is looking at a distant end result in a set time frame.
A food is something that provides nutrients. Nutrients are substances that provide: energy for activity, growth, and all functions of the body such as breathing, digesting food, and keeping warm; materials for the growth and repair of the body, and for keeping the immune system healthy. (So we don’t die:))
When salt and sugar dissolve in water it is a physical change. The chemical makeup of the salt and sugar are not changed.
Physical change
Answer:
idk if it's good..
Explanation:
The dark-colored mice arose in the population at location A by random mutation. ... advantage over light-colored mice in that environment. • Over time, dark-colored mice became more common at location B because more of their offspring survived. to reproduce and pass on their genes, including genes for fur color.
Technically there is no direct connection between air pressure and humidity. Humidity is the amount of water vapor in the air or air parcel. Air pressure is its weight of the air in a column, the true connection is in the temperature.
