Centromere
Meaning the most condensed and constructed region
So... I have'nt done this since November, but hope this helps.
1. A
2. A or B (most likely A)
3.B
4.B
<u>Answer:</u>
The<u> Lead </u>toxicity can result in slow growth and iron-deficiency anemia, and can damage the brain and central nervous system.
<u>Explanation:</u>
Lead poisoning is a form of metal poisoning in the body which is triggered by lead. The most prone of these is the brain. Signs can be abdominal pain, indigestion, fatigue, irritability, problems with memory, failure to have children and numbness in the hands and feet.
It triggers nearly 10 per cent of quite unknown cause's intellectual disability and can lead to behavioral problems. A few of the consequences are irreversible. In extreme cases there may be coma, anemia, seizures or death.
Answer:
when two nitrogen atoms share electrons, They form a triple covalent bond by sharing outermost three electrons .
