help asap!! Muscle cells develop from embryonic precursor cells that have the potential to develop into a number of cell types. which of the following best explains the particular conditions that commit them to becoming muscle cells?

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

What element is able to combine with itself and hydrogen to form large molecules ?