Which practice provides the Best means of protecting biodiversity inthe wild for future generations?? a Initiating recycling programs in neighborhoods b Buying vehicles with reduced carbon emissions c Protecting wildlife areas such as national parks d expanding breeding programs for endangered species

Practice that  provides the best means of protecting biodiversity in the wild for future generations is - expanding breeding programs for endangered species .

Explanation: The best way of preserving biodiversity for future generations in the wild -

The other statements are not so suitable means of protecting biodiversity in the wild for future generation as  the first statement indicates about the initiation of recycling programmes in neighborhood , which has no role in preservation of biodiversity or wildlife because the statement is about keeping the environment clean and healthy .

The other statement is about reduction of air pollution as buying vehicles with reduced carbon emissions improves the quality of air.

And the other statement of  Protecting wildlife areas such as national parks comes under the other statement which states "expanding breeding programs for endangered species".

Hence , the correct option is D.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

correct answer is a. and d.