What is a quasar?A system of stars held together by gravity. A star that emits intense radio and light energy. Two stars moving around each other. A collapsed star emitting no light. A star that emits a repeated radio signal

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.