How would you define a GLOBAL effect of humans? Practices that impact some more than others

Practices that are carried out by many people

Practices that have big footprints

Driving cars

What relationship exists between an enzyme and a catalyst?

The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart

Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4