Which of the following objects will float in water based on there density? Hint: density of water is 1 g/cm3

Lithium 0.534 g/cm3
Coal 1.1 g/cm3
Magnesium 1.7 g/cm3
Uranium 18.7 g/cm3

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

As kate is moving down the hill, what type of energy does she have? a. sound energy b. electrical energy c. light energy d. mechanical energy

Red blood cells are responsible for transporting oxygen in the blood. people with sickle cell anemia were born with a defective gene that results in sickle-shaped red blood cells. individuals with the disease often suffer pain in their extremities due to the build-up of these cells causing blockages in the blood vessels. the shape of the blood cells also reduces the amount of oxygen transported in the blood.