Why is a pencil used to mark the chromatogram instead of pen?

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

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.

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity