Sinkholes are formed by the actions of? a. acid rain b. plant roots c. ocean water d. ground water

What must be done to breed dogs for a partical trait

According to this food web which of the following would be considered primary consumers

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d