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.
Explanation:
Compounds are those substances that are made up of elements that are combined in a fixed proportion or ratio. The individual property of element is lost once it forms a compound. The physical and chemical properties of both compound and an element is different.
Example of a compound is water and its elements are hydrogen and oxygen. Water is a colorless liquid that acts as a solvent and dissolves most of the solutes in it. While oxygen and hydrogen occurs as gases in their elemental state.
Answer:HOPE THIS HELPS :D
Explanation:
For coronavirus, it spreads when a person with coronavirus coughs, sneezes, get his or her saliva on another person, or when they get discharge from their nose on another person. I also know that if an infected person infects a non living object, the next person that touches it can get coronavirus by touching his or her body part. (Basically any where with holes including eyes, nose, mouth etc.) coronavirus can stay on surfaces for a long time. I don’t know how long though.
ANSWER:
Its because mother nature tells us herself!
its just like predicting when rhinos will go instinct:
imagine people killing 2 rhinos a week or every two weeks and theres only 500-1000, you can predict that in prob 3-5 years they'll go instinct
so its just like that and they have much higher technology now that it'll just give them the answer without putting much effort into it.
~batmans wife dun dun dun....
The defining feature of a prokaryotic cell is C. Membrane- bound organelles.
I hope this helps! :>
