Those microscopic organisms perform what 2 processes that help pave the way for lichen by creating organic material. A. Carbon Dioxide and Nitrogen Fixation
B. Oxygen and Carbon Fixation
C. Oxygen and Carbon Dioxide Fixation
D. Nitrogen and Oxygen Fixation

maybe because its impossible for balloons to lift a whole entire house.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.

correct answer: false

while planning water activities, it is very important to consider the weather, because if we do not plan and are going for a surf, then it might be that the hurricane came and drown us or may carry us to long distance from where we can not come back. there are many reasons to take information about the weather when we are planning any water activities.

hence, the correct answer would be false.