A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 35% salt and Solution B is 85% salt. She wants to obtain 110 ounces of a mixture that is 45% salt. How many ounces of each solution should she use?

Embryos of different species look very similar, which shows that the organisms share a ancestor.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.