Answer: A variable within a scientific experiment is something that is changed (i.e. it varies). There should be only one manipulated variable within a scientific experiment so that the experimenter can be certain it is this variable which causes a pattern in the resultant data, if any exists at all.
Explanation:
The correct statement concerning pH is that the pH of a solution increases gradually with increasing basicity.
The Iris is the known structure to control the amount of light to enter the eye.
Answer:
(A) a red brick reflects red light and absorbs blue and green light
Answer:
single celled
Explanation:
because i asked a teacher
