Which statements accurately describe parasite-host relationships? Check all that apply. Parasites can live in or on their hosts.
Parasites benefit from their hosts.
Parasites are harmed by their hosts.
Parasites usually kill their hosts.
Hosts benefit from parasites.
Hosts are harmed by parasites.

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.