Which of the following is a tip for the passage-based reading questions in the critical-reading section of the psat? (apex)a. when comparing an aspect of a pair of passages, don't be misled bt choices that are correct for only one of the passagesb. it's not necessary to follow the author's reasoning to understand the passagec. don't bother reading the introduction to the passage; it's not typically usefuld. when comparing an aspect of a pair passage, generally the correct answer choice is true for only one of the passages.

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.

When do you think it’s best to take the psat (what grade year / when in the year)?