Which best describes the digestive system of arthropods? incomplete, two openings complete, one opening two-way, one opening one-way, two openings

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.