Aleech attaches itself to the gums of a crocodile and sucks the crocodile's blood. then, the crocodile opens its jaws so that an egyptian plover bird can kill and eat the leech. the relationship between the crocodile and the egyptian plover is an example of a. parasitism b. commensalism c. mutualism d. predation

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal

Along what geographical feature are most of the oil producing regions located