Student 4 is correct. The farther the planet is from the Sun, the less pull it exerts on it.
Answer:
xecr tbyununybt y 7nbytvthhbbhd r f
Hi,
I think that you're missing some options, but here they are (let me know if I'm right!
-A population of wolves was introduced
-The amount of disease in the deer population decreased
-More grass was planted
Now, if the gene diversity decreased, it means that a lot of deer died. This could happen because wolves were introduced -this is the correct answer, and the wolves ate some deer.
Parent material, organic matter, sand, silt, clay, water
