Answer:
a. pipette
Explanation:
The instrument used in the laboratory for measuring base is the pipette.
It is used to suck up the right amount of base for experimental purpose.
- The burette is used for measuring and holding the acid.
- The pipette is often used alongside a burette, conical flask and retort stand during a titration reaction.
- The pipette is a narrow cylindrical pipe usually made up of some special glass.
- It should be handled with caution as it is a very fragile device.
I think the answer is both B and C,because he needs to confirm his findings by repeating his analysis to make sure he didn't do any mistake in the first process but also needs to analyse fossils found in the same area, because he might find evidence of more fossils from the same time,that would support the hypothesis that there was a community there. You need evidence of a community,because by having multiple fossils of the same age,you could prove the one that you found is indeed older.
That should be Amines
cos of the N-H
Answer: Industrialized agriculture is highly concentrated and mechanized, relying on chemical inputs like fertilizers, pesticides and non-therapeutic antibiotics. However, sustainable agriculture, which uses methods that protect the environment, public health, human communities and animal welfare, is gaining traction.
Explanation:
