CHEMISTRY
Which salt is made when calcium carbonate reacts with hydrochloric acid?
calcium chloride
This device is used to increase or decrease the voltage of an electricity supply.
transformer
What type of plant has a woody stem and reproduces through cones?
Conifers
Fred made 3 different stacks of wooden blocks. The first stack was 6 blocks high, the second stack was 6 block(s) higher than the first, and the final stack was 6 block(s) higher than the second. In total, how many blocks did Fred use for all 3 stacks?
36 blocks
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DISOSIATIF
What is the correct chemical formula for nitric acid?
HNO3
Motion of small particles suspended in liquid or gas, which is invented by a Scottish botanist named Robert Brown.
Brownian motion
What do we call the process where food is made from microorganisms?
Fermentation
For lacrosse season, Sally decided to buy a ball for $9.60, new shorts for $28.10, as well as a pair of lacrosse shoes for $42.20. Sally currently has $24.40, and a coupon for $14.00 off her purchase. How much more money does Sally need to complete her purchase?
$41.50
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MEDIASI