Plz hel 1. What causes a delta to form at the mouth of the river?
A. Wind
B. Water
C. Ice
2. A cliff forms by the ocean. (Erosion)
A. Wind
B. Water
C. Ice

Which statement justifies that phosphine (ph3) is a polar molecule?

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

Calculate the number of moles of ethane in 100 grams