Researchers studying soil conditions and plant species between 0 and 500 meters from former Roman settlements found that sites closer to settlements had a. less species richness. b. greater species richness. c. lower soil pH. d. more available nitrogen.

Correct answer is option B

Explanation:

Researchers studying soil conditions and plant species between 0 and 500 meters from former Roman settlements found that sites closer to settlements had greater species richness. .

Higher soil PH.

More available phosphorus.

Greater species richness.

b. greater species richness.

Explanation:

For any civilization , be it the Roman or Greek civilization, the history of a civilization can be studied through the soil. The impacts and effects of urbanization, human activities , natural disasters have a way of either enriching the soil in a civilization and those of the surrounding settlements or making the soil barren and not fit for agricultural purposes.

After carrying out studies noting down important observations, it was discovered that the soil conditions and plant species between 1 and 500 meters from former Roman settlements, researchers and scientists found that sites closer to settlements had a higher soil pH, a large availability and richness living species and availability of phosphorus in the soil.

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.