Meteorologists in New York City are tracking a hurricane that is approaching the city. What type of instrument or system are these meteorologists most likely using?

a ground station

a weather buoy

a ship

a satellite

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2