Biology, 17.08.2021 20:00 jackiediaz
Roberto wants to measure the lengths of the sides of a metal cube. Which tool should he use?
✔ Ruler
To make a solution, Sian must measure 15.0 mL water. Which tool should she use?
✔ graduated cylinder
An experimental procedure calls for 35.9 g sodium chloride and 15.2 g silver nitrate. What tool should be used to measure these substances?
✔ electronic balance
Mark needs to determine how much the temperature of a solution changes during a chemical reaction. Which tool does he need?
✔ thermometer
Answers: 3
Biology, 21.06.2019 22:20
Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3
Answers: 1
Biology, 22.06.2019 02:10
Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems
Answers: 2
Biology, 22.06.2019 10:30
What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.
Answers: 2
Biology, 22.06.2019 17:00
Mrna: gcuaauguc what amino acids does the mrna above code for? what type of amino acids or function are uag, uga, and uaa coding for? which codon (3 letters) signals translation to start and also codes for the amino acid methionine (met)?
Answers: 1
Roberto wants to measure the lengths of the sides of a metal cube. Which tool should he use?
✔ Rul...
Mathematics, 10.11.2019 23:31
Mathematics, 10.11.2019 23:31
Social Studies, 10.11.2019 23:31
Geography, 10.11.2019 23:31