I am back from being banned smh is anyone good at Earth space science?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world