Answer:
I'm not really sure but I'll guess it's
Answer:
A traumatic brain injury interferes with the way the brain normally works. When nerve cells in the brain are damaged, they can no longer send information to each other in the normal way. This causes changes in the person's behavior and abilities. The injury may cause different problems, depending upon which parts of the brain were damaged most.
C. Carbon
Mercury is dangerous to humans
Carbon is the main element in organic compounds, so carbon is essential to life on Earth.
Answer:
Rhizobium is present inside the nodule of bean if we observed with the help of hand lens.
Explanation:
Rhizobium is a type of bacteria which is present inside the nodules of various leguminous plants. The main function of this bacteria is to convert the atmospheric nitrogen into nitrates form for the plant. These bacteria is also called nitrogen fixing bacteria. They make a symbiotic association with the plants. The plant provides food to the bacteria while bacteria provides nutrients so both get benefits from each other.
