Answer:
She could time how long it takes for each amount of salt dissolves in the waters. (as well as keep each amount of salt the same if she was not doing that already.)
Explanation:
This way, she could observe which water is best for dissolving solvents and which is most affective in the shortest amount of time. If she was not timing how long it takes for salt to dissolve in different temperatures of water, then the experiment may as well have been useless unless there is somehow a different objective.
The products of photosynthesis has reactants and products
In photosynthesis for products there are rubp which is technically glucose and oxygen. So your answer would be number 4
The other ones listed are classified as reactants
Answer:
gymnosperms produce male cones and female cones, and the pollen from a male cone fertilize the egg inside a female cone
The skull size of each species!
It's the size of the skull specifically the jaw bones, that can help determine relationships of two hominid species.
Hope this helps!
