A student takes a 1.00M stock solutions of table sugar (sucrose, C12 H22 O11) and mixes 0.305 L of stock solutions with additional distilled solutions with a total volume of 1.25 L?

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

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