The most abundant metallic element by mass in Earth’s crust makes up 8.23% of the crust. Which group of minerals all normally contain this metallic element in their compositions?

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Awolf pack hunts,kills, and feeds on a moose. in this interactions, the moose is a?

2polnis which of the following is an advantage of an in vitro experiment?me