<span> The right answer is </span><span> c. human activity. Phosphorus cycle takes place even without human involvement but it can still affect or cause major changes in this nutrient cycle. </span>Humans use fertilizers and raise livestock (hogs). Waste from livestock and fertilizers are high in phosphate that gets into the soil and bodies of water through drainage and run-off.
Answer:
If the newly formed metamorphic rock continues to heat, it can eventually melt and become molten (magma). When the molten rock cools it forms an igneous rock. Metamorphic rocks can form from either sedimentary or igneous rocks.
Explanation:
it's kinda really complex you have animals like snakes evolution says they used to have legs how can this be proven? This is proven by vestigial structures as some snakes like certain pythons still have legs however, they are underdeveloped and are used for nothing. Whales have pelvis bones this may not seems special but it is because every chordate that has ever walked on land has one thing in common and that's a pelvis this along with other data gathered really concrete the idea of evolution into reality
I believe the answer is the rodent mutates a new allele for gray hair
I can help but do you need it