Which layer of soil would you plant flowers and vegetables. a topsoil
b. bedrock
c. subsoil
d. rock fragments

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient