Scientific investigations must be well to be sure the data collected will help answer the scientist's question.

Sand spinifex grass is adapted to growing on sand dunes. it is a rapidly spreading plant and the creeping runners produce new root systems. which of these best explains the benefits of these features? a. it limits water loss through the leaves. b. it provides support by anchoring the plant. c. it protects the plant from predators. d. it allows the plant to tolerate salt. reset submit

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.