Even in her early 60s, Theresa has a full head of dark hair with not a hint of gray. When people ask why, she explains that her mother didn't start turning gray until her mid-70s. Which of the following is the likely cause of Theresa's still-colorful hair?
a. life-cycle forces
b. sociocultural forces
c. biological forces
d. psychological forces

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

Which statement is a correct description of the processes of respiration and transpiration in a plant? question 7 options: transpiration is when the plant loses water through its leaves. respiration is when the plant breaks down the sugar in its cells to release energy. transpiration is when the plant pulls water into its roots. respiration is when the plant breathes. transpiration is when the plant grows over time. respiration is when the plant breaks down the sugar in its roots. transpiration is when the plant produces buds. respiration is when the plant dies.