Answer: 3
Explanation:
All elements in group 3 have 3 levels of energy.
Na (sodium) has 3 valences the inner has 2 electrons, the middle has 8 electrons and the outer has 1 electron.
This will continue across the group 3 adding one more electron to the outer valence until Ar (argon).
Remember the Octet rule of 8..?
Answer:
Option D. They use mitochondria to release energy from the sugars.
Explanation:
Mitochondria is an important organelle which is present in both plants and humans. Mitochondria is also called power house of the cell because it release energy in the form of Adenine tri phosphate (ATP) when oxygen is added with the sugar (glucose) during the process of respiration. Energy is also released from glucose molecules in the absence of oxygen but the less energy will be produced.
A, its actually because of this rain forest soil is some of the least nutritious
<span>This rate tends to be faster than in most other periods. The rates in previous eras was very gradual and did not have as much of a deleterious effect on the life that was present: today's rate is much more rapid and has the potential to do much more damage to the life on the planet.</span>
