False
<span>Marine ecosystems like lakes and oceans have aphotic zones. Aphotic zones refer to the zones in the water where there is little or no sunlight. It is found in bodies of water were depths only receive less than 1% of sunlight penetrations. Bioluminescence is essentially the only light found in this zone and most food comes from dead organisms that sink at the bottom of lakes or oceans. </span>
Answer: by given steroid injection to animals
<u>and </u>
increasing production of cheap calories of Sugar and Triglycerides for use in food products
The attempt by farmers to maximize profit prompted them to give hormones e.g streroids to animals to increase their biochemical reactions therefore the the products yields e.g they are giving steroids to poultry to improve chicken, eggs production;and to cattle for improved beef and milk production.
In order to obtain maximum sugar and fats productions, cheap calories forms of there are being produced. e,g fructose, maltose. if maltose is consumed in excess it leads to obesity, while fructose increases the level of cholesterol.These products requires a lot of processing with different chemical products which leads to health problems after consumption
Explanation:
Answer:
The valence electrons have a role in the bonding of two atoms. The nuclei of each atom are drawn together by their attraction to the valence electrons of the other atom. As the atoms are drawn together by their attractions, electrons from each atom are drawn to the nuclei of both atoms, where they are "shared."
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The Avery–MacLeod–McCarty experiment was an experimental demonstration, reported in 1944 by Oswald Avery, Colin MacLeod, and Maclyn McCarty, that DNA is the substance that causes bacterial transformation, in an era when it had been widely believed that it was proteins that served the function of carrying genetic.
14. It would indirect and 15. Direct
