Answer:
well for me
Explanation:
photosynthesis gives out oxygen so cellular respiration gives out carbon 4 oxide and take in oxygen
1 mol zn ------------- 6.02x10²³ atoms
4.4 mol -------------- ??
4.4 x ( 6.02x10²³ ) / 1 => 2.648x10²⁴ atoms of zn
After that have been up for a while thay are metal
Answer:
when cell is exposed to radiation we get brain tumour or cancer.
Answer:
B
Explanation:
when two plates come together and one goes underneath, it forms a ridge.