Do living thing need to have DNA to live.

During an investigation of an xss attack, the investigator comes across the term "[a-za-z0-9\%]+" in analyzed evidence details. what is the expression used for?

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

The climate on the leeward side of a mountain differs from that on the windward side mostly in