Biological catalysts i think but not sure
Answer:
I think the answer is D because mens testosterone levels are high until the age of 40, then the lower.
Explanation:
Blood groups are inherited from our biological parents in the same way as eye colour and other genetic traits
Кръвните групи се наследяват от нашите биологични родители по същия начин като цвета на очите и други генетични черти
Answer:
The drinking water in a location in Florida had a fall order and test and this happened due to the storm water runoff that had carried huge amounts of soil and minerals into it.
The solution for this problem is that the people of that local area should practice afforestation.
Explanation:
Afforestation is defined as a process of planting more and more trees in an area. The plants are helpful for the people and environment in many ways. The most important thing is that the plant reduces the soil erosion in an area.
The root of the plant and small hub tends to hold up the soil and prevent them to flow away from the high speed runoff water into the water body.
Also it provides the favorable conditions for more animals and birds. It also provide fresh air to the local people to inhale and utilizes all the carbon dioxide.
