A protector drop a 192 grams piece of solid materia into graduated cylender containing 50 mL of water. The water level rise to 67mL. What the solid?

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

What types of energy transfers and energy transportations are involved in the domino chain reaction?

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2