Given: △def df = ef prove: ∠3 = ∠4 which of the following statements would be the reason in line 4 of the proof? two ∠'s supplementary to equal ∠'s are = substitution definition of supplementary.

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition

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

Where is my favorite place to eat?