Which macromolecule is the main source of energy for living things? a) fat nucleic b) acid c) protein d) carbohydrate

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Which is the correct formula for photosynthesis