Answer:
Density = Mass/Volume
Density = 216cm3/64g
Density = 3.375 g/cm3
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Answer:
Explanation:
Dilute solutions are prepared so as to allow a significant amount of light to pass through the solution and be measured by the recorder. Opaque solution are also diluted so light can pass through and be recorded. Similarly other substances which have very large absorption have to be diluted so that significant amount of light could reach detector.
Answer:
What is true of natural selection? A. Natural selection is a random process. B. Natural selection creates beneficial mutations. C. The only way to eliminate harmful mutations is through natural selection. D. Mutations occur at random; natural selection can preserve and distribute beneficial mutations.
The answer is D
Explanation:
natural selection can simply be explained as individuals that have specific inheritable traits will most likely tend to adapt and survive and as well reproduce at higher rates than others. mutation occurs when the nucleotide sequence of an organism changes. so natural selection can preserve and distribute beneficial mutations.
Answer:
All vital functions of an organism occur within its cells
Explanation:
WHY THE OTHER CHOICES ARE PART OF THE CELL THEORY
1st choice- When a cell reproduces, it splits. This means that BOTH of the cells are exactly the same.
2nd choice- ALL organisms, from bacteria to elephants are made of cells, either multicell or unicell
3rd choice- Cells split to reproduce, so yes
