211195
211195
06-04-2020
Chemistry
contestada
why is it important to seal the mouth of the test tube
Respuesta :
Chelle01
Chelle01
06-04-2020
To not let in oxygen
Answer Link
VER TODAS LAS RESPUESTAS ( 73+ )
Otras preguntas
The __________ is charged with enforcing federal trade laws and promoting jobs and business opportunities in the US. a. Department of Commerce b. Department of
Why did the London Company sponsor the Jamestown settlement?
Which were disadvantages of farming on the Great Plains in the late 1800s? a. There were frequent crop failures due to lack of rain. b. Slow population growth a
Who was Baldassare Castiglione? a. a courtier to Francesco Gonzaga and the author of The Book of the Courtier b. a native Florentine who wrote a pamphlet on ho
The United Nations is an international ______________. a. spy agency c. aide organization b. peacekeeping force d. peace treaty
Gunpowder technology originated in a. China. b. Persia. c. Korea. d. Europe.
Which type of state law is based on rules, orders, and regulations made by federal, state, and local executive officers? A administrative. B constitutional. C s
Gunpowder technology originated in a. China. b. Persia. c. Korea. d. Europe.
Pacific island that became a triple protectorate of the United States, Britain, and Germany
A demographic tool used to predict a population's future growth is Choose one answer. a. a hairline growth curve. b. demographic transition. c. age structures