Can someone asap! which of the following is one stage of the cell cycle? cellular respiration mitosis multiplication photosynthesis

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Which tool is least in predicting weather

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?