D. Electrons because isotopes deal with electrons.
Once the Earth was full of water (ocean) after volcanic activities the mainland became land ( sorry about my english i am hungarian and i am still learning the language )
You're correct.
Just make the last one OO
<span>The Lorax promised that if the truffula seeds were planted, then The Lorax and his friends would come back again. He also mentions that in addition to planting the seeds, you had to give it clean water and fresh air, grow a forest of the trees, and protect them from being chopped down as well.</span>
B is not part of the cell theory; there are many types of cells that do not have cell walls, so the statement cannot even be generally true.
