The answer is A. Man-made
They are called <span>nucleotides. </span>
An example for X-linked recessive disorder is (C). Color Blindness
Essential services, such as water purification, nutrient cycling, and plant pollination are all examples of earth's Ecosystem services.
The ecosystem is defined as the interaction between the biological communities with its physical environment. The services provided by the ecosystem are termed as ecosystem services. The ecosystem with the help of its different components performs water filtration, recycling of the nutrients, pollination, seed dispersal etc. These all services provided by the ecosystem comes under the category of ecosystem services.
Turbines. Invented by Charles Parsons. I know I'm in middle school, but we are just learning about hydroelectric power.