Over time, infection with hiv can weaken the immune system so it has difficulty fighting off certain infections. these infections are called a. immunities b. opportunistic infections c. fragile viruses d. pneumonia

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave

Construct at least two possible hypotheses for the student’s experiment.