Yuto left his house at 10 a. M. To go for a bike ride. By the time yuto’s sister riko left their house, yuto was already 5. 25 miles along the path they both took. If yuto’s average speed was 0. 25 miles per minute and riko’s average speed was 0. 35 miles per minute, over what time period in minutes, t, starting from when riko left the house, will riko be behind her brother?.

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)?

The structure of adenosine triphosphate (atp) is shown here. which statement best explains how energy stored in the chemical bonds of atp can be released.