Skin color due to dilatation of blood vessel

Which is a contraceptive method that is classified as hormonal birth control?

When a person on a skateboard decides to perform a short, hard ollie, that would be considered muscular endurance. true false

Desiree has a scientific question that she wants to investigate. she has developed a hypothesis and method for her experiment. which step of scientific inquiry should desiree take next? desiree should present her findings to her teacher and classmates. desiree should collect data, which may support or refute her hypothesis. desiree should provide an explanation for her results.