Answer:
a fossil that is useful for dating and correlating the strata in which it is found.
Explanation:
Maybe D I hope it helps you
Answer:
Non-vascular plants are plants without xylem and phloem. The parts of the plant that transport nutrients/sugars(phloem) and water/ minerals(xylem)
Seedless vascular plants have xylem and phloem, but only make leaves, not flowers or seed
Explanation:
When coming to building something, some materials are more vulnerable to water and can wear away easier. Some can keep the water in, so depending on the material, the water quality can be better sustained.
the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
