Describe the preparation of 900 mL of 3.00 M HNO; from the commercial reagent that is 70.5% HNO 3 (w/w) and has a specific gravity of 1.42.

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.