Biology, 25.07.2019 06:30, coralaguilar1702

Gemstones, such as diamonds, rubies, sapphires, emeralds, aquamarines, and tourmalines, are minerals. nonmetallic all copper ores metallic not precious

Answers: 1

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 19:30, lilbopeep21

During a hot day, warm and moist air rises and cools in the atmosphere. which even would occur next on such a day? a. condensed droplets would gather to become water vapor. b. water vapor would condense into tiny droplets. c. water droplets would evaporate to form rain and snow.

Answers: 2

continue

Biology, 22.06.2019 06:00, briana21092005

Where substance is produced during cellular respiration

Answers: 1

continue

Biology, 22.06.2019 09:30, hockejoh000

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent

Answers: 2

continue

Biology, 22.06.2019 11:30, luludawn2455

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

Answers: 2

continue

Do you know the correct answer?

Gemstones, such as diamonds, rubies, sapphires, emeralds, aquamarines, and tourmalines, are mineral...