Which of the following statements is true about scientific theories?
a. scientific theories become scientific laws.
b. scientific theories are never proven.
c. scientific theories become hypotheses.
d. scientific theories summarize patterns found in nature

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Hybrid instruments that play sounds that are part sampled and part synthesized are known as: