Comets are made mostly of ______________...? Mcqs

✅ Correct Answer: Ice and dust

✅ Correct Answer: Dentistry

✅ Correct Answer: Stratosphere

✅ Correct Answer: Hair Loss

✅ Correct Answer: Spleen

✅ Correct Answer: 12%

✅ Correct Answer: Calcium oxalate

✅ Correct Answer: Quinoline is an inhibitor

✅ Correct Answer: 60% Nitrogen, 40%inert gases

✅ Correct Answer: DNA and Proteins

✅ Correct Answer: A class of nucleic acids

✅ Correct Answer: Mineral

✅ Correct Answer: E. none of these

✅ Correct Answer: acid rain

✅ Correct Answer: Electrical Conductance

✅ Correct Answer: A decrease in the rate of photosynthesis

✅ Correct Answer: January – July

✅ Correct Answer: Atoms

✅ Correct Answer: Angiosperms

✅ Correct Answer: Perihelion

✅ Correct Answer: The scattering of sunlight by air molecules

✅ Correct Answer: 4°C

✅ Correct Answer: Lead

✅ Correct Answer: metallic substances

✅ Correct Answer: Evaporation (mixing) fog

✅ Correct Answer: Sedimentary rocks

✅ Correct Answer: T cells in blood

✅ Correct Answer: 63% tin and 37% lead

✅ Correct Answer: Two Protons and two Neutrons

✅ Correct Answer: Ultraviolet

✅ Correct Answer: Altering human beings by changing their genetic components

✅ Correct Answer: Nichrome

✅ Correct Answer: Gases

✅ Correct Answer: Heat radiation

✅ Correct Answer: Collapsing object of high density

✅ Correct Answer: Three

✅ Correct Answer: Stratocumulus

✅ Correct Answer: Zinc

✅ Correct Answer: Temperature of the place where it is kept

✅ Correct Answer: Rainfall

✅ Correct Answer: Absorption and re-emission of infrared radiation by the atmosphere