Question 3 10 pts
How effective are the first two paragraphs of the article at introducing the five
themes of geography?
O The introduction is effective because it describes the reason the five themes were created.
The introduction is not effective because it focuses only on one of the five themes.
O The introduction is not effective because it does not explain how the five themes are useful.
O The introduction is effective because it explains the differences between the five themes.
10 pts
Question 4

Currents are caused by temperature and density differences

Which correctly describes crossing over ?

When designing a science presentation, look for credible sources. science doesn’t show bias, but humans do. avoid sites and articles that provide facts without citing proper scientific evidence. you must be able to identify reliable sites so that the data in your presentation is credible. use sources that end in .gov, such as cdc.gov. these government sites are reliable sources. you can also use sites ending in .edu. they are usually trustworthy, but sometimes students, not scientists, write content for .edu websites. always identify the source’s author before proceeding. some .org and .com sites are credible, but it’s important to verify their authenticity. when reviewing a source, ask these questions: who is the author? is this person an hiv or aids expert? what is the document’s purpose? does the document state facts that scientists can prove with evidence? are there opinions in the document? how old is the document? do other credible sources support the statements in the document? search for credible websites and note the information they contain. write down two sources that you will use for your presentation, and cite them using modern language association (mla) citation methods.