Basically, the disadvantages of a green roof are listed in the last sentence:
<span>"However, green roofs can be expensive to install, and require care and maintenance"
The disadvantage of a green roof would be there for the owners: the cost and time needed to have such a roof.
An additional disadvantage would be the possibility of the plants on the roof mixing with and replacing the local vegetation, thus diminishing the biodiversity in this place.
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Gregor Mendel was a scientist born in the Austrian Empire in 1822. He
conducted pea plant experiments and established many of the rules of
heredity. He was explaining the significance of invisible factors ( now
called genes ) for the inheritance. He also experimented with hawkweed
and honeybees. Mendel is referred to as "The Father of Genetics".
Answer: Genetics.
Answer:
Maybe B, I need more evidence
Explanation:
An abundance of biodiversity:)