Which of the following describes a community A. a lifeless desert of rocks, sand, and high temperatures B. a hole in which a ground squirrel lives C. a forest of birds D. The ocean

Without electrons atoms would carry A. no charge at all. B. a positive charge. C. a negative charge. D. an alternating charge.

An advantage of parallel circuits is that they A) Stop transmitting all current if even one resistor breaks. B) Form a single path through which the current flows. C) Allow current flow even if some paths are cut.

Escaping from a tomb raid gone wrong, Lara Croft (m = 62.0 kg) swings across an alligator-infested river from an 8.80-m-long vine. If her speed at the bottom of the swing is 6.

Select the correct statement to describe when a sample of liquid water vaporizes into water vapor

Feature detectors are neurons that are turned on or off by specific features of visual stimuli like edges and movement. Where in the visual system are these feature detectors located?

Consider the moment when the spring is at its maximum compression. At that moment, the kinetic energy, the gravitational potential energy, and the elastic potential energy are, respectively, a - zero, at a maximum, and at a maximum b - at a maximum,

Ari, a young patient who is regularly treated by a psychiatrist, feels compelled to carry out repetitive tasks the same way very frequently. If Ari does not conduct these tasks with extreme precision, he can feel extremely nervous and uncomfortable.

A friend says, "Stars produce energy by a fusion chain reaction of helium into hydrogen." Evaluate the validity of this statement. A) It is an valid statement. Stars produce energy by a fusion chain reaction of hydrogen into helium.

If the mass of a material is 42 grams and the volume of the material is 15 cm^3, what would the density of the material be? answer: Unit:

35. An object of mass m moving at speed v0 strikes an object of mass 2m which had been at rest. The first object bounces backward along its initial path at speed v0.