Ascientific theory states that the universe is expanding. which of these statements is correct about this theory?

it is a fact which cannot change over time.
it is strengthened by data which is always contradictory.
it will become a law if it is supported by scientific evidence.
it is a well supported explanation which cannot become a law.

Plzzz hurry im being timed ! humans, like other organisms, require energy for growth and repair. when cells create atp for energy, carbon dioxide is produced as a waste product. how does the body respond to this process in order to maintain homeostasis? a. the digestive and respiratory systems interact to move carbon dioxide to the lower intestine, where it is transformed into methane. b. the circulatory and digestive systems interact to move carbon dioxide to the stomach, where it to break down food. c. the nervous and urinary systems interact to move carbon dioxide to the kidneys, where it is absorbed into the bloodstream. d. the circulatory and respiratory systems interact to transport carbon dioxide to the lungs, where it is expelled from the body.

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?

Vascular plants like this one use sunlight to make food through te process of photosynthesis most food a sugar is made in the plant's leaves how does te plant move the sugar to other parts?