Question

The ignition temperatures of four substances, P, Q, R, and S, are 175°C, 270°C, 310°C, and 155°C respectively. Which of the following pairs of substances catches fire at 250°C? *
1 point
Q and R
P and S
R and S
P and Q

Answer 1

Answer:

Tu

Ty

Fj

Fh

Fuvb

Gjgvbh

Gjtfvn