Answer:
B. the big ball transfers some of its momentum to the small ball but it keeps going forward too
Explanation:
Answer:
1) A chemical reaction is shown.
SnO2 + H2 → Sn + H2O
What is true about this chemical reaction?
B.
It is unbalanced because the mass of the reactants (number of atoms) is greater than the mass of the products (number of atoms).
2) Read the information about an experiment.
Jadon plans on carrying out an experiment involving the burning of steel wool to illustrate the conservation of mass. Steel wool is made of iron. When it is burned it combines with oxygen to form iron(III) oxide.
Which step in his experiment is the most important if he wants his experiment to correctly demonstrate the conservation of mass?
A.
The steel wool should be burned inside of a sealed jar or other closed system.
Explanation:
The explanation to number 1 is that I selected it in my test and got it.
The explanation the number 2 is from the link below:
https://quizizz.com/admin/quiz/5dee60258f1145001bc02ed5/physical-science-2nd-9-weeks-practice-test-2020
Answer:
Either earthquake or flood.
Explanation:
Texas has proven that it does not handle hurricanes well. And a tornado would not affect Oklahoma, but it might affect Texas, I'm not sure as I do not live in Texas, rather I live in Oklahoma.
Warm air I’m pretty sure cause hot air rises while cold air sinks
Answer: 4
Explanation:
It is transferred by radiation and convection.
