Answer:
La acción humana ha conseguido a lo largo del tiempo, y sobre todo en el siglo XX, alterar física, química y biológicamente la Tierra, provocando distintos efectos, como son: agotamiento, erosión, desertización, deterioro y envenenamiento de la piel de la Tierra, a la que llamamos suelo.
Explanation:
Explanation:
Z is the atomic number, which tells you the number of protons in the element and also its identity. A is the mass number, which tells you the number of protons plus the number of neutrons. X is the chemical symbol of the element, and it must correspond to the atomic number.
I believe the correct answer from the choices listed above is the third option. It would be chromium (Cr) that is a transition metal. The 38 elements in groups 3 through 12 of the periodic table are called "transition metals<span>". Hope this answers the question. Have a nice day.</span>
Answer:
1) C
2)A
3)D
Explanation:
London forces are common to all molecules, it results from momentary shifts in electron distribution in molecules. When molecules possess a permanent dipole, dipole-dipole interaction is the dominant intermolecular force. However, for compounds in which hydrogen is bonded to highly electronegative element, hydrogen bonding is important.
The sun as an energy source of the process of which the cell captures energy in sunlight and uses it to make food called photosynthesis.
Hope this helped!