Fact 1: Abattery converts chemical energy into electrical energy. Fact 2: Electrical energy can be converted into kinetic energy and heat energy by an electric motor. Given the two facts above, answer the question "What can convert chemical energy into kinetic energy" with the following options: - a magnet - a vacuum - a windmill - a battery - arteries - barnacles - animals - engines
a battery

(Question)
Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: Water density decreases with temperature and increases with salt content. Given the two facts above, answer the question "What content increases melting points of solids?" with the following options: - salt - Joules - water - fats - heat - glass - sugar - coal
(Answer)
salt

Ques: Fact 1: Mutations may change the structure of a chromosome or just change a single nucleotide. Fact 2: Mutagenic chemicals cause mutations. Given the two facts above, answer the question "What may change the structure of a nucleotide?" with the following options: - oxidation reaction - adding heat - Water - Name - Mutagenic chemicals - permineralization - Air - that material's properties
Ans: Mutagenic chemicals

(Q).
Fact 1: When a river floods , that river deposits soil in flood plains. Fact 2: Major river is the Colorado river. Given the two facts above, answer the question "what deposits soil in flood plains when it floods?" with the following options: - the Colorado - the Pacific Ocean - water evaporation - bullfrogs - peachleaf willow - a hydraulic system - mussels - hydrogen
(A).
the Colorado

Ques:Fact 1: Most amphibians breathe with gills as larvae and with lungs as adults. Fact 2: Frogs are the most durable of the amphibians. Given the two facts above, answer the question "What is the most durable species that breathes with gills as larvae and lungs as adults?" with the following options: - Snakes - Salamanders - edible - salmon - Oak - Frogs - Lizards - a fish

Ans:Frogs

Fact 1: The digestive system breaks food into nutrients for the body. Fact 2: Tapeworms have no digestive system and consist primarily of a reproductive system. Given the two facts above, answer the question "What breaks food into nutrients for the body?" with the following options: - Fully cooking the oysters - secretion of acids and bases - Eating and drinking - the most widely used biofuel - the stage of citokinesis - To conserve energy - Something that tapeworms do not have - hydration of their cells
Something that tapeworms do not have