RIESGOS NATURALES Y SOCIALES Responde con la información del video
1-Los fenómenos naturales no son provocados por la acción
y pueden
influir
sobre la vida y actividades de las
personas
on
2- Cuando la lluvia se puede convertir en un desastre natural?
Si
3-Los desastres naturales son los fenómenos naturales que no podemos e
que ocurran, suelen causar mucho caos y algunas veces pérdidas h
Por ejemplo
ts
h
4-Algunos desastres provocados por el hombre son:
La D
Lac
del ambiente Incendio

Ayud es para hoy

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.