Hello There!
A major source of calcium and sodium in oceans is weathering and erosion of rocks.
Option D.
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Answer:
hey this would be I dont really know I need the points
Answer:
cilium: a short microscopic hairlike vibrating structure found in large numbers on the surface of certain cells, either causing currents in the surrounding fluid, or, in some protozoans and other small organisms, providing propulsion
Explanation:
a cilia is the plural form of cilium
Answer:
D
Explanation:
1. protists have nuclei
2. plants don't move independently
3. animals don't make their own food
so option D is the best option
good luck
Answer: osteoporosis
Explanation: Osteoporosis causes bones to become weak and brittle — so brittle that a fall or even mild stresses such as bending over or coughing can cause a fracture.