Questions in Grade High-school

Questions in Grade High-school

[Done] Billy likes to go cycling. His bike has wheels with a diameter of 80 cm. He invented a counter for his bike, which counts how many revolutions the wheel does. One day, the counter shows 170 revolutions. How far has Billy cycled to the nearest meter?

[Done] Which individual do these statements describe? A. Leo X B. Machiavelli C. Martin Luther D. Francis Xavier

[Done] Crickets chirp more frequently as temperature increases. You can estimate the Fahrenheit temperature by counting the number of times a particular type of cricket chirps in 15 seconds and adding 39. a. What is the temperature if a cricket chirps two times each second?

[Done] Using a compound microscope, Jorge is able to see a single-celled organism moving rapidly in the field of view. He can just make out one long, whip-like structure that is undulating back and forth. Jorge has just identified: Select one: a. cilia b. spindle fibers c. a flagellum d. chromosomes

[Done] The greenhouse effect is a result of: A. Consumption of fruits and vegetables that produce a biofuel. B. Absorption and radiation of energy in the atmosphere. C. Absorption and radiation of energy in the hydrosphere. D. Consumption and radiation of energy in the atmosphere.

[Done] Two bowling balls each have a mass of 6.9 kg. They are located next to each other with their centers 21.8 cm apart. What gravitational force do they exert on each other?

[Done] Sophie says dolphins and sharks look very similar, so they must be related. Jake disagrees, saying DNA evidence has shown that dolphins and other aquatic mammals are actually more closely related to the ancestors of modern hippos. Who is correct using the modern system of classification? A. Jake is correct because classification is based on evolutionary relationships. B. Both are correct because traditional and modern classifications can overlap. C. Neither is correct because neither is taking into account both the traditional and modern classifications.

[Done] Which two cellular structures help cells move around? A. Nuclei and cell walls B. Chloroplasts and endomembrane systems C. Cilia and flagella D. Ribosomes and mitochondria

[Done] What would happen in an ecosystem without decomposers? A. Plant growth would decrease. B. Producers would increase. C. Plant growth would increase. D. Consumers would increase.

[Done] What does "Tu veux faire de l'équitation?" mean?