A ball rolls down a ramp. A small amount of friction heats up the ball. What energy transformations are taking place?

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion