Who is the first person to discover the periodic table​

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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.