Which of the following does not directly enable photosynthesis to take place in a leaf? guard cells
stoma
phloem
xylem

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases