Answer: The symbiotic nitrogen-fixing bacteria invade the root hairs of host plants, where they multiply and stimulate formation of root nodules, enlargements of plant cells and bacteria in intimate association. Within the nodules the bacteria convert free nitrogen to ammonia, which the host plant utilizes for its development. brainliest?
Explanation:
A food which has been grown without the use of some but not all synthetic pesticides, synthetic fertilizers, or bio engineering could be labeled--- True
What are organic foods ?
-Organic food is produced without using most conventional pesticides, fertilizers made with synthetic ingredients, antibiotics, or growth hormones
When a food is labeled as organic this means that no pesticides have been used in its production?
Produce can be called organic if it's certified to have grown on soil that had no prohibited substances applied for three years prior to harvest. Prohibited substances include most synthetic fertilizers and pesticides.
Are organic food safer?
According to USDA data, organic foods have fewer pesticide residues than conventionally grown produce. But the amounts for both types of produce are within the level for safe consumption.
What is the meaning of organic farming?
organic farming, agricultural system that uses ecologically based pest controls and biological fertilizers derived largely from animal and plant wastes and nitrogen-fixing cover crops.
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This is true humans systems function independently
<span>The subatomic particles or units inside the cell that is responsible for the potential chemical reactions among chemical species are the electrons. Since they are found outside the nucleus, it is actually easier for them to transfer from one atom to the other. They may be also shared between two compound. </span>
Answer:
Birds do not have a diaphragm; instead, air is moved in and out of the respiratory system through pressure changes in the air sacs. ... Bird lungs do not expand or contract like the lungs of mammals. In mammalian lungs, the exchange of oxygen and carbon dioxide occurs in microscopic sacs in the lungs, called 'alveoli.
Explanation:
