Aflashlight requires a source of electricity to produce light, and flashlights and remote controlled cars get their energy from batteries. Given these facts, what do cars use among the following options: - heat energy  - electricity  - wind  - water  - to move people  - oxygen  - sensory neurons  - engines
electricity

(Question)
Sweating reduces body heat, and causes Body heat is lost mainly through perspiration or sweating. Given these facts, what does perspiration do among the following options: - It expands  - Cooling vapors  - decreases  - Reduces body heat  - Release energy  - Causes shivering  - Reduces sweat  - Causes heat stroke
(Answer)
Reduces body heat

Ques: Cancer is a disease in which cells divide out of control, and cancer is also caused by a mutation. Given these facts, what can mutations lead to in which cells divide out of control among the following options: - Smoking  - resistance  - a disease  - viruses  - AIDS  - bacteria  - Leptospirosis  - cigarettes
Ans: a disease

(Q).
Cartilage is a tough tissue that contains a protein called collagen, and collagen contributes to meat toughness. Given these facts, what contributes to meat toughness among the following options: - digestion  - cartilage  - layers of fat  - h2o  - exercise  - Animal fur  - the skin  - steak
(A).
cartilage

Ques:Agreenhouse is used to protect plants from the cold, and plants are grown in greenhouses and protected from wild butterflies. Given these facts, plants are grown where they are protected from what among the following options: - the sky  - disease  - storms  - cold air  - the water  - the warmth  - sun's heat  - the cold

Ans:the cold

Evaporation can be used for separating a solute from a solvent in a solution, and samples are segregated by mission in separate gloveboxes. Given these facts, what can be used for segregating a solute from a solvent in a solution among the following options: - an electron lens  - simple  - evaporation  - heat energy  - vaporization  - water vapor  - reduced heat  - Time and energy

evaporation