Lignin
a. is needed directly for photosynthesis.
b. is a red pigment.
c. provides structural support and waterproofing to plants.
d. is the female reproductive cell in seed plants

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.

answer; the code in musculoskeletal system subsection is associated with deep tissue possibly to the bone;