which number would result from an endothermic reaction? a) -212 b)0 c)-1 d)800 I WILL MARK THE BRAINLEIST

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world