1. What kind of scenarios could change the temperature, pH, or enzyme concentration level in the human body

What percentage of light hits earth's surface directly?

Which of the following are responsible for sending messages from the hypothalamus to the thalamus?

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.