20. In a main sequence star, equilibrium is reached when matter pulled inward by the gravitational force is pushed outward by (1 point)
convection of stellar material from the core
O immense pressure created by energy in the core
O coronal mass ejections originating from the core
endothermic cooling of hydrogen fuel in the core

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Pls in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what