Harmful because they change how the genes are supposed to form and they can give disorders at times.
Answer:
D: Nucleus
Explanation:
Prokaryotic cells contain a cell membrane, a cell wall, and cytoplasm. However, they do not have a nucleus. Eukaryotic cells have a nucleus.
(The 3 examples are:)
~ CO2 from burning fossil fuels
~ gas (methane) leaks from underground gas pipes
<span>~ methane from rotting material in landfills
</span>
(Other ones)
<span>~ combustion of fossil fuels (oil, coal, and gas)</span>
<span>~ deforestation (decreasing amount of plants that remove CO2 from the atmosphere)</span>
<span><span>~ industrial production that uses petroleum based products (mineral/metal production)
</span></span>
the gymnosperms like fern have seeds on the leafs, i guess
<span>b. photosynthetic organisms provide energy for other organisms on earth.
B is the most suitable answer as photosynthetic organisms get their energy from the sun, and other organisms get their energy from photosynthetic organisms, so the sun is the source of energy for all life.</span>
