Which best describes a graph of voltage over time for DC current?

sine curve

straight, horizontal line

parabolic curve

sawtooth wave

Why would the discovery of a fossil imply that earth is much older than originally though?

What will happen if you take a cold soda out of the fridge on a hot day, condensation or evaporation?

Explain why it is important to use both qualitative data and quantitative data.

Which term below describes a measurement of how hard an object pushes against a surface? A. Heat B. Density C. Temperature D. Pressure

You heat a mug of water to make hot chocolate. Which statement best describes the changes in the water? A. The kinetic energy of the particles increases as the temperature increases. B.

The decibel level of an orchestra is 90 db, and the violin section achieves a level of 80 dB. How does the sound intensity from the full orchestra compare to that from the violin section alone?

How does gravity relate to a streams ability to a erode and deposit materials

When Sr and F combine to form a compound, which atom (s) will become an anion?/ a Sr only b F only / c both Sr and F d neither Sr nor F

A bomb initially at rest on a smooth, horizontal surface is exploded into three pieces. Two pieces fly off at 90o to each other, a 2.0 kg piece at 20 m/s and a 3.0 kg piece at 12 m/s. The third piece flies off at 30 m/s.

Hubble measured the velocity of the movement of galaxies by using