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0
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1
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32
views
What causes obsessive-compulsive disorder (OCD)?
asked
Jan 13
in
Psychology
0
votes
1
answer
29
views
What two things are used in optical instruments to reflect or refract light?
asked
Jan 8
in
Science
0
votes
1
answer
47
views
What kind of reproduction involves just one parent and produces offspring genetically identical to each other and to the parent?
asked
Jan 7
in
Science
+2
votes
1
answer
28
views
What is the measure of kinetic energy of the particles in matter?
asked
Jan 7
in
Science
0
votes
1
answer
37
views
What is the heart's main task?
asked
Jan 7
in
Science
0
votes
1
answer
31
views
What is friction that acts on objects that are moving through a fluid?
asked
Jan 6
in
Science
0
votes
1
answer
45
views
What happens to the crust if the moving oceanic crust reaches a deep sea trench?
asked
Jan 6
in
Science
0
votes
1
answer
14
views
What changes the chemical composition of a substance and can only occur through a chemical reaction?
asked
Jan 6
in
Science
0
votes
1
answer
35
views
What are these examples of: a person riding a carousel and a skydiver in free fall?
asked
Jan 6
in
Science
0
votes
1
answer
49
views
The nitrogen cycle moves nitrogen back and forth between the atmosphere and what?
asked
Jan 2
in
Science
0
votes
1
answer
57
views
Solar and wind are still expensive compared to what?
asked
Dec 31, 2024
in
Science
0
votes
1
answer
55
views
Resistance to pesticides in a population of insects is an example of what?
asked
Dec 31, 2024
in
Science
0
votes
1
answer
31
views
Precipitation, evaporation, transpiration, and condensation are part of what cycle?
asked
Dec 31, 2024
in
Science
0
votes
1
answer
48
views
The fungus benefits from the constant supply of food produced by what?
asked
Dec 28, 2024
in
Science
0
votes
1
answer
45
views
What is the structure in a diploid sporophyte that undergoes meiosis to form haploid spores?
asked
Dec 28, 2024
in
Science
0
votes
1
answer
73
views
Lymph vessels, like veins, have what objects that prevent the backflow of fluid?
asked
Dec 27, 2024
in
Science
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