Answer:
I think the answer would be D.
Explanation:
Maria would want to test her hypothesis with another experiment; the type listed in answer D.
In a Solid, particles are tighly packed together.
In a Liquid, they are farther apart
In a Gas, they are even farther apart.
*Melting = Liquid
*Freezing = Solid
* (E)vaporation = Gas
an agent, such as radiation or a chemical substance, which causes genetic mutation.
Answer: because the structure of their cell wall is unable to retain the crystal violet stain
Explanation:
Due to differences in the thickness of a peptidoglycan layer in the cell membrane between Gram-positive and Gram-negative bacteria, Gram-positive bacteria (with a thicker peptidoglycan layer) retain crystal violet stain during the decolorization process, while Gram-negative bacteria lose the crystal violet stain
Answer
Chemical elements and water are constantly recycled in the ecosystem through biogeochemical cycles. During the water cycle, water enters the atmosphere by evaporation and transpiration, and water returns to land by precipitation.
Explanation:
hope this helps :)