A student observes that flowers in a greenhouse have a very sweet smell. The student explains that these flowers are probably pollinated by bats. Which of these additional observations would strengthen this explanation? A The flowers are open at night and closed during the day. B The flowers continue to bloom for two weeks. C The flowers are brightly colored. D The flowers produce many small seeds.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

може ли да зареждате повече информация, моля