Aclassmate state that an igneous rock must always became sedimentary rock next, according to the rock cycle. explain why statement is not correct.

Give examples of animals that live in sea and are considered mammals. ♡

What type of plant is good for a bioassay and where can i buy it? i only have a month.

The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .