Here are a list of some limiting factors hope it helps!
• Light
• Water
• Space
• Food
• Temperature
• Predators
• Pollution
• Disease
Starch blocker help prevent the body from absorbing starches so you don't absorb calories, and fat blockers are kind of the same thing, they don't let your body absorb fat, instead it excretes it as waste.
Answer:
D. The oldest rock is found in the bottom layer of a rock formation.
Explanation:
1.atom 2.energy level 3.atomic number 4.compound 5.shell 6.electrons 7.molecule 8.atomic mass 9.neutrons 10.diatonic 11.proton