At which of the following angles will the sunlight received at a location on Earth spread out over the largest area? (3 points) 90° 70° 40° 10°

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

What is the molar mass of ca(cio4)2

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by