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?

Plants that have reproductive structures called cones are?

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.