Answer: A correlation is a measure or degree of relationship between two variables. A set of data can be positively correlated, negatively correlated or not correlated at all. As one set of values increases the other set tends to increase then it is called a positive correlation.
Explanation: Mark me brainly please
By breaking down food particles gradually
Answer:
Low concentration to high concentration
Explanation:
If moving up the concentration gradient, you will start detecting the chemical molecules more and more frequently.
The answer is a. I'm pretty sure