The diagram shows the electric field lines between two electrical charges P and Q. Which of the following statements about the charges on P and Q is correct?

a. P is positive and Q is negative

b. P is negative and Q is positive

c. P and Q are both positive

d. The charge cannot be determined with only field lines

For a particular reaction, ? h = -144.6 kj and ? s = -301.2 j/k. calculate ? g for this reaction at 298 k.

Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine