Answer:
The answer is A.
Explanation:
To test if the selenium from the mine has an effect on the fish living in the lake which i assume is close to the mine, testing the tissue of the fish from that lake and comparing it to the selenium levels of the fish from a nearby lake would be a testable hypothesis because there is a comparable aspect and there should be a difference in the numbers between the fish from the two lakes because of their distance to the mine.
I hope this answer helps.
Which diagram?
But I do know carbohydrates is the quickest form of energy for the body. Hope I helped any.
Answer:
What is the mechanical advantage of a lever that has an input arm of 3 meters and an output arm of 2 meters? 3. A lever with an input arm of 2 meters has a mechanical advantage of 4.
Explanation:
key.
Answer:
Brain, Spinal cord & nerves/neurons
Explanation:
N/A
Crust
mantle
convection currents
outer core
inner core