Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to identify fractures in metals.
(its multiple choice )

mechanical waves are less likely to damage materials than most electromagnetic waves.

mechanical waves have more energy than electromagnetic waves

mechanical waves can transmit results more rapidly than electromagnetic waves

mechanical waves generate vibrations that are sensitive to changes in temperature and density

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Getting out of bed is the first goal i tackle each day. 2several small goals are achieved by me as the day progresses. 3when i am riding the bus home or walking the dog, i think about the bigger goals i have for my life. which statement correctly describes the verb tense, aspect, and voice in this paragraph? a.sentences 1 and 2 contain present progressive verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice. b.sentences 1 and 2 contain simple present verbs. sentence 3 contains present progressive verbs. all three sentences use active voice. c.sentences 1 and 2 contain present progressive verbs. sentence 3 contains simple present verbs. all three sentences use active voice. d.sentences 1 and 2 contain simple present verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice.