Answer:
b- swap the uses for iron oxide and calcium carbonate.
Explanation:
just took the test. good luck!
Milk has more dentist then alcohol.
Answer:
5
Explanation:
if you do 17/3.45
=4.9 but if you round it up to the nearest whole number 5.
3.45*5=17.25
it equals to 17.25
Answer:
igneous rocks
Explanation:
igneous rocks forms from lava, such as obsidian, basalt, plumice, etc
Answer:
B. A Tin, Sn, atom contains 50 electrons outside the nucleus and 69 neutrons inside the nucleus
Explanation:
Tins number of electron and neutron are of number mostly found yet Ne has its neutron 10 mostly but it's 11 here
i guess