The process of primary sequencing can take hundreds, if not thousands of years. On the contrary, the process of second succession could re-establish the communities of ecological peaks in as little as 50 years.
Not from google thank me later
Answer:
66.7 g
Explanation:
Number of atoms = 2×10²¹
Mass of 2×10²¹ atoms = 0.4 g
Mass of 0.5 moles of that element = ?
Solution:
1 mole contain 6.022×10²³ atoms
2×10²¹ atoms × 1 mol / 6.022×10²³ atoms
0.33×10⁻² mol
0.003 mol
0.003 mole have mass of 0.4 g
0.5 mol have mass 0.5/0.003×0.4 g = 66.7 g
Answer: It would take 300 light years to reach Earth.
Explanation:
Answer:
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Explanation:
The answer is vertical column
