Would life on Earth be possible without Carbon?

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m

Which nucleotide component contains nitrogen