How do scientists provide solutions for many of the world's problems? A. Through the use of politics B. By keeping their research a secret C. By having more conferences D. Through the use of technology

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.