What does a nucleous in a plant cell

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the

In a leaf, dermal tissue a) stores food b) stores carbon dioxide c) releases oxygen into the air d) transports water from the roots