What happened when Earth's first atmosphere collapsed? Will mark you as brainliest! - it created oxygen

-it formed the oceans

-it triggered an ice age

-it fell as rain, watering the earliest plants

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity

Which structure in the cardiovascular system connect arteries to veins?