Which molecule contains a non polar covalent bond? 1) O=C=O 2) C=O 3) Br-Br 4) CCL4

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases. as altitude increases, air density increases. air pressure and density are lowest at sea level. denser air exerts more pressure than less dense air.

Predict the products butane (c4h10) + oxygen —>

  the mississippians were considered to be  horticulturalists, which means they were