Complete combustion of wax take place in zone of a candle flame​

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

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