Do you think precipitation has a greater impact on the rate of chemical weathering or mechanical weathering ?

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

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.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest