Separation of homologous chromosomes in meiosis I because it produces 2 haploid (n) daughter cells from a single diploid (2n) parent cell
Coal mining produces not only air pollution but solid waste; ash and flue - gas desulferization sludge ( look it up ), which contains toxic arsenic and radioactive uranium among other heavy metals. Water becomes polluted with these harmful substances through mountain top removal mining and so underwater creatures are poisoned and plants absorb deadly substances and die, which also contributes to the aquatic organisms death as the plants may have been a food source.
1)Carbon
2)Hydrogen
3)Nitrogen
4)Oxygen
5)Phosphorus
6)Sulfur
I am pretty sure it is animal cells and plant cells considering I learned that last year in 6th grade
Answer: "The cell membrane is not a solid structure. It is made of millions of smaller molecules that create a flexible and porous container."
Explanation: Was their answers to pick from if so i could help give the exact answer
