Answer:
Extraction of oil from tar sands is not economically feasible.
Explanation:
Where is the phot for the video?
The correct answer is: d) begins later in life
Eggs or female reproductive cells are formed well before birth in a huge number (primordial oocytes). But, the number of oocyte decreases after birth constantly (there are 2 million oocytes at birth and 40,000 of them in puberty). At menopause, no egg cells are left.
On the other hand, the first sperms are formed only from puberty, but the production of those cells never stops.
Endosymbiosis is the process of one organism living in another, a form of parasite. Flies and other insects live inside of fungi, such as mushroom. Your answer is B. fungi. Have a wonderful day :D
Answer:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change.
Explanation:
