Which describes a reason that ocean water forms stratified layers? The warmer layer is less dense so it floats on top of the colder, denser layers.
The currents don't occur in the lower layers.
The increased density of the upper layer is due to salt concentration.
All of the above

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.