That is a chemical change or reaction.
This process requires large volumes of water to pass through absorption surfaces to get enough oxygen into their bodies using their mouths and gills. These body parts work like a pump to keep water moving over the gas absorption surfaces of the gills.
21. The ovaries and because eggs are the start of the fetus. I can't correctly answer your other qeustions but I hope this one helps. GL.
<span>I found the exercise online and this is the answer:
A.
Non dividing cells exit cell cycleB.
At this point, cell commits to go through the cycle.- If the cell passed the checkpoint, it can now enter the cycle, starting on the first stage: G1
C.
DNA replicates - The cell starts replicating the DNA in the S phase to then later, separate it in two cells.
D.
Centrosome replicatesE. Mitotic spindle begins to form. in the M phase, after passing the G2 checkpoint
F.
Cell divides, forming two daughter cells.- After passing the last checkpoint, the call can finally start mitosis process.</span>
If water had no density - if its mass per unit volume were zero - it would be massless, and would travel at the speed of light.
The oceans would all go in all directions (leaving sea-dwelling flora and fauna behind - and all the salt).
You wouldn't see rain coming (at least, not directly at you), because the image of the rain would travel no faster than the rain itself.
<span>And water pistols would essentially be laser guns.</span>