Acid rain is formed when certain molecules, such as sulfur dioxide (so2), react in the atmosphere to form acids. how does most so2 enter the atmosphere?
a.
it is a byproduct of chemical weathering.
b.
it is released from hydrothermal vents.
c.
it is a byproduct of coal combustion.
d.
it is released when wastes decompose.

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.

Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead,sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities

20 the compound al(nh3)2 has atoms of nitrogen.