Which element dominates Jupiter's atmosphere?
Anonymous Quiz
5%
Oxygen
22%
Nitrogen
52%
Hydrogen and Helium
21%
Methane and ammonia
What is the liver's role in lipid metabolism?
Anonymous Quiz
11%
Produces insulin
71%
Synthesises bile acids and lipoproteins, and metabolises fatty acids
8%
Stores triglycerides long-term
9%
Converts lipids to glucose without intermediates
What does the second law of thermodynamics state?
Anonymous Quiz
28%
Energy of an isolated system is constant
48%
Entropy of an isolated system tends to increase
12%
Every action has an equal reaction
12%
F = ma
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How are igneous rocks formed?
Anonymous Quiz
12%
Compression of sediments
52%
Metamorphism by heat and pressure
32%
Solidification of magma
3%
Precipitation of minerals in water
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Why does the Moon always show the same face to Earth?
Anonymous Quiz
11%
Synodic revolution
38%
Differential rotation
48%
Synchronous rotation
3%
Libration
Which type of symbiosis benefits one organism without affecting the other?
Anonymous Quiz
23%
Mutualism
55%
Commensalism
17%
Parasitism
4%
Predation
What is the molecular formula of glucose?
Anonymous Quiz
13%
C₁₂H₂₂O₁₁
80%
C₆H₁₂O₆
3%
CH₄O
4%
C₂H₅OH
What does quantum physics study?
Anonymous Quiz
6%
Macroscopic bodies
85%
Particles at atomic and subatomic scale
6%
Heat propagation in solids
4%
Fluid dynamics
What does oceanography study?
Anonymous Quiz
9%
Atmosphere and climate
84%
Oceans and seas
5%
Tropical vegetation
2%
Internal geology
Which cell structure controls the movement of substances in and out?
Anonymous Quiz
27%
Cell wall
16%
Nucleus
48%
Plasma membrane
9%
Cytoplasm
What is an acid according to the Brønsted-Lowry definition?
Anonymous Quiz
14%
A substance that donates electrons
63%
A substance that donates protons (H⁺)
16%
A substance that accepts protons
7%
A conjugate base
Which planet has the longest day in the Solar System?
Anonymous Quiz
25%
Mercury
30%
Venus
20%
Earth
25%
Mars
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