Plants perform both photosynthesis and cellular respiration. How will photosynthesis affect oxygen levels? a
Oxygen levels will increase due to photosynthesis.

b
Oxygen levels will decrease due to photosynthesis.

c
Oxygen levels will remain the same despite photosynthesis.

d
Oxygen levels will increase sharply at first, but then decrease due to photosynthesis.

mendel's first law states that during the formation of reproductive cells , pairs of hereditary factors for a specific trait separate so that offspring receive one factor from each parent.

explanation:

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.