Q: Blowing air into a whistle causes air to vibrate inside the whistle, and if the persist, blow a whistle loudly into the mouthpiece. Given these facts, blowing and causing air to vibrate makes what among the following options: - expand - evaporate - kinetic energy - waves - Energy. - combine - loud noise - energy
A: loud noise

Q: Nitrogen is found in proteins, nucleic acids, and chlorophyll, and nitrogen, as a gas, is colorless, odorless, and a generally inert element. Given these facts, what is found in proteins among the following options: - Something coming from a gland - Something that causes allergies - characteristics - Transfers energy - it keeps an organism warm - Chemical energy - that material's properties - a colorless, odorless gas
A: a colorless, odorless gas

Q: Chromosomes are coiled structures made of DNA and proteins, and dNA stands for Deoxyribonucleicacid. Given these facts, what are chromosomes made of among the following options: - Deoxyribonucleicacid, protein - sulfuric acid, fat - Chemical energy - protein, hydrobromic acid - boric acid, protein - Something that comes in a bundle of fibers - sub-units of species - A compound that donates proton
A: Deoxyribonucleicacid, protein

Q: Oil is formed by layers of sediment pushing down on decomposing algae, and fossil fuels like coal and oil are ancient biomass fuel. Given these facts, what is a product of layers of sediment pushing down on decomposing algae over time among the following options: - Fungus - Greenhouse gases - Fossil fuels - Calcium carbonate - salinity - Sand - contamination - Water
A: Fossil fuels