Coral reefs are among the world's richest ecosystems, second only to tropical rain forests. like the tropical rainforest, the coral reef ecosystem is in danger. coral is being harmed by all but one of the following. a) soil run-off b) blast fishing c) global warming d) mineral deposit

Providing immunity by injecting the body with a weakened form a pathogen is known as

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.