Answers: 3
Biology, 21.06.2019 19:30
Sarah is sitting at the top of the slide in the schools playground. which will increase sarahβs kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.
Answers: 1
Biology, 21.06.2019 22:00
Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000Β°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.
Answers: 1
Biology, 21.06.2019 22:00
In what for do plants utilize nitrogen? why do they need nitrogen?
Answers: 2
How are elements related to the Earth's crust?...
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