What is burning considered ? A. physical change
B. chemical change
C. none of the above
D. all of the above

The modern periodic table has groups.

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.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?