powdery mildew diseases infects many plant species. it common on roses, lilacs, english oak, sycamore, some deciduous azaleas and zinnias. usually when powdery mildew infects one type of plant, it does not infect any other type. each plant type is unique in that the powdery mildew that infects it will not infect any other.

powdery mildew is caused by
a) a virus.
b) a fungus.
c) genetics.
d) a bacteria.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

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hi! do you know the answer for this flvs question?

what do anaerobic organisms have in common with photosynthetic organisms?

they both appeared on earth at about the same time.

they both can only exist as single-celled organisms.

they both need an energy source in order to survive.

they both produce carbon dioxide as a waste product.

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