Answer:
3. diffusion, because molecules are moving from a high concentration(A) to a low concentration(B)
Answer:
yes
Explanation:
The leaves of purple plants still have chlorophyll which looks green to us. So since they have chlorophyll, they can carry out photosynthesis.
Correct answer: C). Cells are the basic building blocks of life but do not constitute life itself
Cell theory in a biology is a scientific theory, which is universally accepted and it states that all living organism are made up of one or more cells, cell is the building block of living thing, it also states that all cell arise from ore existing cells.
The cell theory is collection of ideas and conclusion, which were given after many years of continuous research and experiment of many scientist, which tells about the cell and how it operates.
Crack
If frank is using a drug that causes addiction in nearly 75% of those who use it, he is probably ingesting crack.
Crack is a relatively cheap, extremely addictive form of cocaine which is usually smoked through a crack pipe. Crack is highly used and available in a rock form that is usually white, cream, tan, or light brown. Crack is extremely concentrated and addictive. It is possible for an individual to become addicted to it after its first use. When crack is smoked, its effects take place under a minute and lasts within 30 to 60 minutes.
Answer:
I'm not sure but maybe for the first it's less than 3% and for the second it's equal to 3%?
Explanation: