Fact 1: All chemical reactions require activation energy to get started. Fact 2: Enzymes are catalysts and accordingly, speed up reactions by decreasing the activation energy. Given the two facts above, answer the question "What can make a chemical reaction easier to get started?" with the following options: - sweating - ATP - Carbohydrates - heat - a stove - DNA - Enzymes - electron
Enzymes

(Question)
Fact 1: Biofuel is used to produce electricity by burning. Fact 2: Biofuels include ethanol, methanol, biodiesel, biocrude, and methane. Given the two facts above, answer the question "If ethanol were burned, what could be made?" with the following options: - nuclear waste - energy - massive damage - coal tar - Solutions - engines - electricity - plastic
(Answer)
electricity

Ques: Fact 1: Photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves. Fact 2: Producers are organisms, such as green plants, that convert light energy into food. Given the two facts above, answer the question "green plants convert water, solar energy, and carbon dioxide into what" with the following options: - stone - carbohydrates - soil - Greenhouse gases - Greenhouse gasses - worms - cellulose - food and shelter
Ans: carbohydrates

(Q).
Fact 1: Agraduated cylinder is used to measure volume of a liquid. Fact 2: Liquid ounces are a measure of volume, and dry pounds are a measure of mass. Given the two facts above, answer the question "a graduated cylinder is used to measure what?" with the following options: - density - liquid meters - liquid pounds - liquid ounces - Temperature - grams of powder - kinetic energy - solutes
(A).
liquid ounces

Ques:Fact 1: Unequal heating of Earth 's surface by the Sun causes global wind patterns. Fact 2: Unequal absorption of radiation causes unequal heating of the earth's surface. Given the two facts above, answer the question "heating causes the wind patterns on earth to be what?" with the following options: - evenly distributed - waves - equal - constant - threatened - supersonic - unequal - Tropical

Ans:unequal

Fact 1: Many plants respond to the days growing shorter in the fall by going dormant. Fact 2: Plants are dormant in the winter. Given the two facts above, answer the question "What causes plants to sleep?" with the following options: - winter - heat - lmestone - sweating - photons - Sun - Light - air cools
winter