If the following graph represents the decay of strontium-90 in an igneous rock, what event occurred at 0 years on the horizontal axis?
<span>I have a graph with the vertical axis showing the percentage of radioactive element remaining. </span>
Water is split into hydrogen and oxygen (photolysis)
They come in a variety of different trees such as maple trees, pine trees, and English oak trees.
Phosphate and deoxyribose sugar
Answer:
xylem and phloem
Explanation:
Xylem is a vascular tissue that transports water to the leaves of the plant , while phloem tranporsts the food or the glucose made by the leaves to all parts of plant
