Which activity is an example of a chemical change? A) Dissolving table sugar in water.

B) Drops of water forming on a cup of iced tea on a hot day.

C) Melting gold to make jewelry.

D) An old penny rusting.

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

Moving force of air flows from areas of high pressure to areas of low pressure true or false

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?