Which time of day would a tree's shadow be the longest? a. when the sun is about to go down b. mid-afternoon c. mid-morning d. when the sun is at its highest position overhead

Cells control gene expression at which steps

Why is a mushroom considered a heterotroph

Explain the physiological changes that occur when the hypothalamus stimulates the sympathetic nervous system. you can make a flowchart or a simple step process. be sure to include all chemicals/hormones secreted, glands involved and the functions of each chemical/hormone.