What is the correct order of sediment size in these materials, from smaller particles to bigger particles?
a. clay, silt, sand
b. silt, clay, sand
c. sand, silt, clay
d. silt, sand, clay

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Plants that have reproductive structures called cones are?

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence