In a longitudinal wave, the vibration of the medium Group of answer choices

A. is in the same direction (parallel) to the direction of the wave (back and forth motion).

B. is perpendicular (at a right angle) to the direction of the wave.

C. occurs only in a gas or a liquid.

D. does not require a source of energy.

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

Collin would like to use the data a coworker has entered in a database. the problem is the coworker's database software is different from collin's. collin should