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.
Answer:
The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.
Explanation:
B.
Answer:
currents
Explanation:
when trach is released in the ocean, currents move it around the ocean and over time it starts to collect in different areas.
C because your traits are what makes up your individuality
Pairs of Chromosomes are called Sex cell pairs. Sex cells, like sperm and egg, have only a set of Chromosomes called "Daughter Cells". Sorry I didn't do all of your questions, I could only find some of the answers.
