This is false. There are elements that have three letters, however they don't occur as often as those with one or two letter formulas.
It's depends on the size of molecule. big ones cannot pass the membrane while smaller molecules can.
adaption - adaption - adaption - adaption - adaption
A. Chloroplasts are not found in both plants and animals cells
Answer:
1-
1One of the main problems is the lack of sewers, 2overcrowding, 3misbehavior when dividing garbage into organic and inorganic, 4 and the lack of habits when it comes to not throwing garbage on the floor.
2 -
the measures they have to have is subdivision of baskets for organic and inorganic material, installation of sewers, fine for those who contaminate public roads
3-
My contribution would be to encourage and try to instill these low-pollution habits in my neighbors or acquaintances, relatives and make them understand the importance of why they are carried out.
4-
Test:
Today we have to understand that in order to develop optimally in our work environment, it is essential that it be healthy, optimal and pleasant for human life. Pollution today is not only physical but can also be noise, climate, energy and even in terms of the attitudes of the people around us.
That is why the work environment should be as decontaminated as possible against anything that affects human viability or good work.
Explanation:
Today, domestic waste is the least controlled waste, and the one that is emitted the most en masse, many people are not aware as daily life requires a rhythm of life that they do not stop to think about the importance of this problem.
