What does the polymerase chain reaction do

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 layer will become saturated first when rain falls?

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f