Answer:
The best-known threat comes from human pressures, driven by agriculture, residential, and commercial expansion into cactus habitats. But the worst offender, the scientists were surprised to find, is the illegal trade of cactus plants and seeds, affecting 47 percent of the threatened species. There are lots of different variations of cacti.
Answer:
The equilibrium between the two forms of the gas is disturbed at high temperatures.
Answer:
B
pls correct me if im wrong
Radioactive decay and detection.
Answer:
4
Explanation:
oxygen has molar mass of 16 g/mol. 64 grams / 16 g/mol = 4mol
