According to the lecture, hormone changes are often responsible for mood swings in teenagers.
a) true
b) false

True

Explanation:

Hormonal shifts can be a cause for mood swings, during teenage years the teens will experiment the production of estrogen (girls) and testosterone (boys) that will cause physical and emotional changes, as the time pass by these mood swing normally become less common as hormones reach an equilibrium.

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1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.