Why is clear urging an especially damaging forestry practice for species that rely upon older trees for their survival

'Genetics in Swedish forestry practice' -- subject(s): Afforestation, Forests and forestry, Genetics

'Den oligarchs astringency och partaken' -- subject(s): Afforestation, Forests and forestry, Genetics, Trees

Explanation:

the answer is

c. parental

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.