The modern form of the periodic table results in the ,which states that when elements are arranged according to increasing atomic number

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.

The excretory system,need answers for all: )

How many grams of mgbr2 are needed to produce 75g or metal?