Both onion<span> and </span>elodea cells<span> had a </span>cell<span> wall and cytoplasm but the </span>onion<span> lacked chloroplasts. 1. </span>Onion<span> is a storage organ for the </span>onion<span> plant. It is underground so it can't do photosynthesis.</span>
To the heart: pulmonary vein
Away from heart: pulmonary artery
The carbon footprint can be decreased by a great amount if the incandescent bulbs are replaced with the compact fluorescent bulbs. The compact fluorescent bulbs uses approximately seventy five percent less energy than the incandescent bulbs as they do not use heating mechanism to light. This leads to less emission of the green house gases and thereby reducing the carbon footprint.
Hence, the correct answer is 'option a - replacing incandescent bulbs with compact fluorescent bulbs'.
Answer: Fossil fuels are made up of dead plant life example trees, bushes, etc., and when burned they release carbon in the air