What wave is the safest of all the waves in the electromagnetic spectrum? Explain why.

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers