What is one disadvantage of fossil fuels?

A. They are widely available.

B. They are relatively expensive.

C. They are easy to use and transport.

D. They can cause significant pollution.

Which wavelength will maximise the rate of photosynthesis

a patient takes 1 breath every 14 seconds. how many breathes do they take in 60 seconds (1 min) ? Express your answer in breaths per minute using an appropriate number of significant figures.

Freckles are a completely dominant trait. both of jason's parents have freckles. jason does not have freckles. what type of inheritance describes this situation

Vascular plants first appeared during which period?

Approximate surface temperature of venus

List (A) the primary materials necessary for and (B) The materials produced by photosynthesis

How is fermentation different from cellular respiration?

Arrange the phases in the life cycle of the Sun in order from the birth of the Sun to the time in the far distant future when the Sun has cooled.

Which of the following statements is true of the process shown below? A. The cells formed at the end of the process only have half of the chromosomes as the original cells. B.

Two brown-eyed parents I have produced three blue-eyed son. If they have another child, what are the chances that I would also have blue eyes?