UV light caused cancer because it damages the DNA in our cells. Changing the characteristic of a cell can cause cancer
<h2>Sewerage & water system</h2>
Explanation:
- The purpose of municipal water delivery systems is to move consumable water from a water treatment office to private purchasers, for use as drinking water, water for cooking, water for sterile conditions, and other water use in a household situation. Water supply additionally is basic for business furthermore, industry to work in a metropolitan domain.
- A civil water supply systems can't support its clients except if there is a ceaseless stockpile of water to meet household utilization needs in the broadest sense and water requirements for auxiliary fire assurance. Water sources should be chosen cautiously to ensure that this central necessity is met.
- Hence, the right answer is "a fair and accurate evaluation of sewerage & water system"
Answer:
extinction and change in species competition.
Explanation:
A. umbilical cord is the answer
All plants have a cell wall, all mammals have a cell membrane. a cell membrane is semi-permeable it allows mammal cells to absorb needed nutrients, oxygen and deposit waste into the blood stream where it is excreted through urine and feces. a plant cells nutrients are absorbed through the root system and leaves, waste is excreted in the form of oxygen through the plant itself.