Answer:
14 billion years
Explanation:
Because the percentage of parent isotope remaining decreases by 50% at 14 billion years.
Answer:
I think it is either the first or the second one
Explanation:
Answer: They allow capillary walls to open and become leaky. They decrease the diameter of capillaries. They prevent phagocytes from sticking to the walls of capillaries. They allow capillary walls to open and become leaky.
Explanation:
A forcible overthrow of a government or social order, in favor of a new system
Answer:Why are hotspots an important focus for conservation efforts? Hotspots are areas of high biodiversity that have already experienced major losses of habitat. Successfully protecting hotspot regions would allow for protection of large chunks of Earth's biodiversity.
Explanation: