Good soil tilth allows for a. hard, rocky soil b. decreased plant life c. decreased movement of air d. increased porosity

The correct answer is option D

The soil tilth can be defined as the physical condition of soil which defines the pattern of soil that is suitable for the growth of the plants.

Different plant needs different kind of soil for its growth. A soil with a good tilth has large pore size. This allows adequate amount of air supply which makes the soil rich in oxygen.

It holds a reasonable amount of water supply and nutrients.

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.

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