How are seeds different from spores?

a. seeds have endosperm which provides nourishment for a new plant, but spores do not have any food supplies

b. spores involve egg and sperm cells, while seeds do not

c. spores will germinate and must find good soil to survive, seeds can survive in extremely harsh conditions

d. spores have an endosperm and involve sperm and egg cells, while seed

Option A

Explanation:

Seeds and endosperm are the form of life which gets into a new plant when they get optimum environment .

A seed have endosperm which provides nourishment for the new plant. The stored form of energy which provides nutrition to the growing embryo.

In case of endosperm there is no form of stored energy which will provide nutrition to the growing embryo.

1. (1.2kw)x(15/60hours) = .3kwh --> a

2. (5kw)x(90/60hours)x(8cents/kwh) = $0.60 --> d

3. microwave --> 1200 watts = (1.2kw)x(6/60hours) = .12kwh

coffee-maker --> 900 watts = (.9kw)x(10/60hours) = .15kwh

therefore, it requires more energy for the coffee-maker to do the same amount of work.

so the answer is a.

b

is correct hope this   also i learnd this in middle school