Which item is experiencing a phase change? A. Water boiling in a teakettle
B. Milk spilling from a cup
C. A sandwich being cut in half
D. An egg cooking on the stove
Can any one help me please

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

In a ball-and-stick molecular model, what do the sticks represent?