Each substance on the left side of the arrow in a chemical equation is a___.
Options :

Catalyst

Coefficient

Product

Reactant

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

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