Biology, 20.11.2020 21:30 leshayellis1591
1. What force, created when two surfaces rub together,
makes it difficult to drag a large object across the
ground?
A gravity
B friction
C lift
D drag
2. Which of the following do many scientists think
caused the extinction of the dinosaurs?
A an asteroid
B freezing temperatures
C wildfires
D all of the above
3. All lobster shells contain , compounds that
give lobsters their color.
A melanin
B DNA
C pigments
D dye
4. Nitrogen dioxide, a major air pollutant, is a gas
produced mainly by .
A cars
B cow farts
C factories
D wildfire smoke
5. The most common cause of concussions among high
school football players is .
A contact with another player
B hitting the ground
C crashing into equipment
D practicing too hard
6. of the elements on the periodic table are
found in nature.
A 100%
B Around 75%
C About 50%
D Less than 50%
7. Emeralds form when elements in are
heated and pressed together.
A rocks
B Earth’s crust
C Earth’s core
D lava
8. Lobsters usually have brown shells, but some can be
different colors due to .
A an adaptation
B a mutation
C an environmental factor
D a change in pH
9. During which time of year is air pollution the highest
in London?
A Summer
B Spring
C Winter
D Fall
10. Dinosaurs became extinct about years
ago.
A 65 million
B 6.5 billion
C 65,000
D 6,500
Answers: 3
Biology, 21.06.2019 16:00, queenskyyt
15 points come and ! in which environment is someone least likely to find fungi growing? a around the sides of a hot tub b on a log in a tropical forest c beneath a mat in a shower d under a rock in the desert
Answers: 2
Biology, 22.06.2019 08:30, thompsonjeremiah837
Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america
Answers: 3
1. What force, created when two surfaces rub together,
makes it difficult to drag a large object ac...
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