Which of the following is a characteristic of a mixture? A. It has varying properties. B. It has a fixed composition. C. It only contains pure substances. D. It has both varying properties and a fixed composition?

What is formed when the rock making up a tectonic plate breaks and moves Select one of the options below as your answer: a. a fault b. an open zone c. a subduction zone d. uplifted land

Choose the one statement that is true of the noble gases?

A car owner forgets to turn off the headlights of his car while it is parked in his garage. If the 12.0-V battery in his car is rated at 61.0 A · h and each headlight requires 31.

A stone is thrown vertically upwards with an intinal velocity of 20 m/sec. find the maximum height it reaches and the time by it reachthe height (g=10 m/sec).

Describe the relationship of attractive forces between molecules

Which property of gold is a physical property? A. ability to bond B. reactivity C. ability to rust D. malleability

On a spring break vacation you decide to visit the grand canyon near flagstaff, arizona. then you head south to visit some friends in phoenix, arizona. while on the drive you notice that the temperature is increasing along the route.

An object weighing 1.840 kg has a volume of 0.0015 m3. What is the density of the object in g/cm3?

What is the purpose of cooking using sunlight?

Two planets of the same mass are observed. Which of the following distances between the two planets would result in the least gravitational attraction? A. 90 light years B. 80 light years C. 60 light years D. 50 light years