Porosity increases:. a. when grains settle more closely together after deposition. b. with increasing crystallization between grains in sedimentary rock. c. with the cementing of sediments by minerals from groundwater. d. when rocks develop joints or fractures.

The correct solution is Option d (when rocks develop joints or fractures ).

Explanation:

Porosity is observable from descriptive samples taken. The drawbacks of receivable dams are that this is impossible to make true reflection temperature measurements, specific side-wall concrete samples while being often valuable can also result in poor coverage as well as dependence on log-derived porosity seems to have become the standard.As porosity rises, too much wind needs to pass further through most of the shelterbelt, which would be to say the less significant decrease in wind direction.

Some other available scenarios have no connexons with the particular circumstance. So this seems to be a reasonable option.

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Iwould say this is falsedefinition: toward or near the equatorhope that : )