Which events occurred during the Space race? Check all that apply.

A
development of a rover to land on Mars

B
advancements in spy satellite technology

C
design and building of an international space station

D
improved technology for sending living things into orbit

E
creation of a landing module that could fly back to the ship in orbit

Which is a characteristic of mixtures?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775