Respiratory system= breathing system
To keep our Respiratory system healthy we should:
1- never breathe in front of polluted areas
2- never pollute our areas
3- try to make our environment normal
A concentration gradient must exist. hope this helps
Asexual reproduction means that the offspring are the exact same as the parents while sexual reproduction means that the offspring are different to the parents.
I think it’s binary fission. Hope this helps :)
<span>carbon dioxide + water = <span>glucose + oxygen
</span></span>The conversion of usable sunlight energy<span> into chemical energy is associated with the action of the green pigment chlorophyll.</span>
