Answer:
A question is developed from some observations and the hypothesis is a tentative explanation for that
Explanation:
Answer:It is too blurry for me to read please make another question with better quality and i will help you the best i can-Lucy have a nice day
Explanation:
they can cause a toxic effect or failure of therapy depending on the drug-nutrient combinations
Answer:

aka Ethenone
Explanation:
Ethenone is an organic compound made out of the elements Carbon, Hydrogen, and Oxygen. It is an example of a covalent molecule. The Hydrogens are single bonded to the carbon and then the carbons and oxygen are double-bonded to each other. Additionally, because there are 2 Hydrogens and 1 Oxygen the ratio is 2:1, as stated in the question.