a reliable indicator for an upcoming storm would be a...

A ) Drop in relative humidity
B ) Rise in pressure
C ) Drop in pressure
D ) Change in dew point

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles