Chloroplasts contain chlorophyll which is what makes plants green. Onions are not green because they do not contain chloroplasts. The reason they do not have chloroplasts is because in the chloroplast, photosynthesis takes place. A key player in the process of photosynthesis is the sun. The onion itself grows underground which means while they grow they do not come into contact with the sun so chloroplasts in an onion is pointless since they can’t undergo photosynthesis. Hope I helped!
Terms that are asked to be used in the response are bolded;
Ocean ridges and trenches are related in a few ways. One of the ways is being created from the movement of tectonic plates on the mantle when they diverge and converge. When tectonic plates diverge they "pull apart" and create trenches. When they converge they "push together" and create ridges, subduction happens here. The tectonic plates move on the mantle of magna from convection currents creating these different boundaries.
Have a nice day!
<em>Note: Please keep in mind that if you would like to use my work you must reword it or give a proper citation, thanks.</em>
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.
- Heather
<span> i think it's the gene pool</span><span>
</span>
Cohesion hold H Bonds together to create surface tension on water. And since water is attracted to other molecules it then sticks to other molecules.
hope i helped
