For each item, tell which event would occur first.
molten material cools and forms igneous rocks. lava flows from a volcano.

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

The formation of the planet uranus is estimated to have occurred approximately when?

What types of details should a draft of a research based essay contain? check all that apply-paraphrased information-information from questionable sources-facts that relate to the topic-quotations that illustrate ideas to convey-plagiarized information