Answer:
Metals react by donating the electrons in their outermost shells to form +ve ions. Group 1, 2, and 3 metals donate1, 2, and 3 electrons respectively to form +1, +2, and +3 ions. The electrons in the outermost shells are kept at bay due to the attraction from the +vely charged nucleus. And energy is required to expel the outermost elrctrons.
Explanation:
Answer:
The modes of transmission of communicable diseases are: Contact (direct and/or indirect), Droplet, Airborne, Vector and Common Vehicle.
We eat more processed foods more pesticides
<span>The daily calorie intake for adults on the basis of macromolecules can be estimated using the food pyramid. In this, we see that the carbohydrates have the highest requirement, which is due to the fact that they provide us with energy to carry out daily activities. The next level after carbohydrates is of fruits and vegetables, and then come the proteins. Proteins are necessary for tissue repair and generation. At the top are oils and fats, to be used in limited quantities. Therefore, the best answer is B. 80% carbohydrates 20% proteins.</span>
