Which star is more massive than our Sun, but has a lower surface temperature? (1) 40 Eridani B (3) Aldebaran
(2) Barnard's Star (4) Sirius

What came first the elephent or the crocodile

How does friction with the atmosphere affect the speed of an artificial satellite

Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !