Why are some sedimentary rocks hard and others soft?

Is water wet? and is fire on fire?

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

Read the article titled "greening the globe." according to the section titled “the contention,” the debate over climate change has two basic camps of thought. identify these two camps and their beliefs. give examples of who supports each one and explain what evidence they use to support their arguments. based on these arguments, which way of thinking do you agree with and why?