A students builds a circuit allwing the lightbulbs to light

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.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Identify the decay mode particle emitted from the th 234