The correct answer is C.commensalism; parasitism
At first it is a commensalism relationship which becomes parasitic when the living cells get attacked.
If the question is asking whether it is true or false, the answer is true. It is because not all women who have menstruation has the exact time when it comes to predicting or determine ovulation as there are factors considered and interrupts with these process that made it complicated and hard to determine.
Answer:
Magma is formed when hot liquid comes from the earth's core into the cold crust of the Earth. When this liquid solidifies it loses heat to the surrounding crust and begins to melt the surrounding rock.
Sediments are formed when magma rises to Earth's surface from a volcanic eruption where the magma cools into igneous rock. On the surface, weathering and erosion break down the igneous rock into pebbles, sand, and mud, creating sediment, which accumulates in basins on the Earth's surface.
When sediment becomes compacted and cemented together it forms a type of rock called sedimentary rock
The areas which are affected by lake effect snow belts are called Snowbelts i.e. areas east of the great lakes, the west coasts of northern Japan, the Kamchatka Penisula in Russia and areas near the Gret slat lake, Black Sea, Caspian sea, Baltic Sea, Adriatic Sea and parts of the northern AtlanticOcean.