Answer:
e. secretion, absorption and chemical protection
Explanation:
Epithelial tissues is responsible for the protection of the skin, absorption of nutrients during digestion and secretion of waste materials. These tissues form covering to all body surfaces. They also perform a variety of other functions such as excretion of waste substances, filtration of air from dirt and particles and clean the air that is inhaled, diffusion, and sensory reception.
Answer:
Nitrogenous;Acid-Base and Fluid
Explanation:
The kidney is referred to as an excretory organ because it excretes nitrogenous wastes. It is also a major homeostatic organ because it maintains the electrolyte Acid-Base, and fluid balance of the blood.
Basically you can answer the question if you know the meaning of 32P and of 35S.
32P means Phosporus-32 (32 is the mass) and 35S means the Sulfur isotope with mass of 35 (it's the most radioactive of all the sulfur isotopes btw).
So we can see that the names have to do with Sulfur and Phosphorus - therefore, the best answer is the following one:
<span>C. Because DNA contains phosphorus and proteins contain sulfur</span>
The correct answer is - oranges take a long time to grow.
The orange tree is a tree needs several years in order for it to be able to develop a fruit, usually three to four years, though it will produce only few fruits in that period, and will only produce more after the tenth year when the tree is fully matured.
The fruit itself also takes a while to mature, pretty much a whole year. So when the friends of Molly say that she is not living sustainable lifestyle it is because she eats oranges all the time, though they are only harvested in one particular part of the year, and it is a long process, referring to that the she uses more than a tree can produce.
