Answer:
true
Explanation:
You block your sense of smell so you wont smell the odor on each one
Answer: Photosynthesis has a role in the cycling of matter and flow of energy into and out of organisms.
Explanation:
The flow of energy and cycling of matter can be traced. The chemical reaction by which plants produce complex food molecules to occur requires an energy input
options:
a) noninvasive
b) precise
c) inexpensive
d) easy
Answer:b) precise
Explanation: BMI(BODY MASS INDEX) is a very vital measurement tool for evaluating and the determining the level of Obesity of overweight of a person.
Body mass index is noninvasive, it is inexpensive and easy way of knowing how well the body weight and height is related to a person's well being.
It is calculated as follows; WEIGHT(KILOGRAMS)/SQUARE OF THE HEIGHT(METERS)
A concentration gradient is a process of particles, which are sometimes called solutes, moving through a solution or gas from an area with a higher number of particles to an area with a lower number of particles. The areas are separated by a membrane.
Hope this helped :)