Answer: A compound is a substance in which two or more elements are combined together chemically.
Explanation: Elements present in a compound are always in a fixed proportion and can be separated only by a chemical method. For example, water is a compound composed of hydrogen and oxygen atoms in the ratio of 2:1. The chemical formula of water is H2O.
Answer:
D
Explanation:
An oil boom helps contain the oil so that it is easier for them to skim it off of the water. They aren't meant to clean up oil, only to contain the oil since it does not sink or mix with water.
<span>This organelle is the nucleolus.
The nucleolus is made of proteins, DNA, and RNA. They form around specific regions of the chromosomes called nucleolar organizing regions. These regions of the chromosomes contain some the genes needed for ribosome production.</span>
Answer:
humans can eat fish that has plastic in it and that could poison the person
Answer:
heres the site that could help cause this is where i got it <em>https://futureofworking.com/6-advantages-and-disadvantages-of-selective-breeding/</em>
Explanation:
examples
It gives us an opportunity to focus on specialization.
Selective breeding can be used to refine a species.
The desirable traits for humans may not be reflective of species’ needs.
It helps to provide a food chain with better sustainability.
