Which of these statements represent a possible hypothesis from the salt boiling lab?

addition of salt to water will cause the boiling temperature of the water to increase.

addition of salt to water will cause the boiling temperature of the water to decrease.

addition of salt to water will cause the boiling temperature of the water to neither increase nor decrease.

all of these represent hypotheses.

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

Which feature of a human community is similar to a niche in a biological community