Answer: C
Explanation:
Put electron pairs about each atom such that there are 8 electrons around each atom (octet rule), with the exception of H, which is only surrounded by 2 electrons. Sometimes it's necessary to form double and triple bonds. Only C, N, O, P and S (rarely Cl) will form multiple bonds. Draw the Lewis dot structure for CF4.
Kinetic energy on mass. gravity, and speed
It is B: Fixed volume, takes the shape of the container
Answer:
Carmen and her family would not have to interest crops where the land has very little rapid recovery after one always, or even in those productions where their neighbors produce the same, the ideal would be the cultivation of trees to make wood, or crops where the harvest is fast and the land can regenerate quickly.
Explanation:
Within the fields, agricultural competition is very important, since it tends to happen within commerce or in rural areas, generating diversity of productions among farmers.