The map here shows South America and the surrounding oceans. Recall that
the Mid-Atlantic Ridge is located east of
South America. Can you find an ocean
trench? As a class, use these features to
infer the motion of the plates. Next, take
a close look at the continent. Discuss
what might explain why the west coast
has mountains while the east coast is
more flat.

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.