Foocheev ayshuestocom
earth's oceans are one of our most important natural
resources.
question #6 multiplechoice
which of the following is an economic advantage produced by an aquiſer found in namibia?
it will deliver fresh drinking water.
it will provide an item for exporting.
it will allow increased mining operations.
it will provide cleaner water in which to bathe.
question #7multiplechoice

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.