Patrick is giving a presentation on thermal energy to his class. How can he use the terms endothermic and exothermic to explain the change in thermal energy from one substance to another? Give an example of each term.

What is the measure of ∠m? 81° 65° 53° 98° answer plz

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

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