1 The directions say to observe the smell of the substance. You should:
a) Place your nose on top of the beaker and sniff lightly.
b) Waft the smell towards your nose using your hand.
Collect a sample in a vial and sniff it away from the
beaker,

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.

May someone me with these science questions

What was bohr’s contribution to the planetary model