limits or stops the growth of bacteria. Antibiotics
Antibiotics

Chemicals
Chemicals

Photosynthesis
Photosynthesis

Vaccines

Is laundry detergent an acid or a base?

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

What best discribes the relationship between wavelength and frequency in a electromagnetic wave