subject
Biology, 11.02.2021 01:00 blue5488

PLEASE HELP ME FOR 45 POINTSS Mr. Carmen asked his class to observe the following events.

steel wool rusting
wooden splints burning down to ashes
sandstone crumbling when tapped with a hammer
an antacid tablet releasing carbon dioxide bubbles in water
Which of the events produced a physical change?

A. steel wool rusting

B. wooden splints burning down to ashes

C. sandstone crumbling when tapped with a hammer

D. an antacid tablet releasing carbon dioxide bubbles in water

ansver
Answers: 3

Another question on Biology

question
Biology, 22.06.2019 12:30
What is the most important inorganic material for livings things? ! due tomorrow!
Answers: 1
question
Biology, 22.06.2019 14:00
The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird
Answers: 2
question
Biology, 22.06.2019 15:30
What process creates gametes? a.fertilization b.mitosis c.meiosis
Answers: 2
question
Biology, 22.06.2019 15:30
Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.
Answers: 3
You know the right answer?
PLEASE HELP ME FOR 45 POINTSS Mr. Carmen asked his class to observe the following events.
Questions
question
Mathematics, 12.02.2020 00:37
Questions on the website: 13722360