Which statements belong to Dalton’s atomic theory? Select four options.

Atoms have a massive, positively charged center.
Atoms cannot be created or destroyed.
Atoms cannot be broken down into smaller pieces.
All atoms of an element are identical.
Chemical reactions cause atoms to be rearranged.
Electrons are located in energy levels outside of the nucleus.

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

What best describes the dropping height of a ball that bounces back up to a height of 45 cm