Answer:
:)
Explanation:
Calculamos el campo producido por un solenoide en un punto P situado en el eje del solenoide:
Sumando el campo producido por las N espiras en un punto de su eje común.
Aplicando la ley de Ampère, a un solenoide muy largo comparado con el radio de sus espiras
www.sc.ehu.es/sbweb/fisica3/magnetico/solenoide/solenoide.html
este es el enlace de la pagina
Answer:
a) The existence of the supercontinent Pangea led to a high degree of geographic uniqueness (endemism) among species during the Late Triassic. ==>FALSE
b) The Jurassic Period marks the time when dinosaurs began to dominate among terrestrial vertebrates. ==> TRUE
c) The scarcity of sediments from the Middle Jurassic may explain the apparent decrease in dinosaur diversity during this time. ==> TRUE
d) Mammals and dinosaurs co-existed throughout the Jurassic and Cretaceous Periods. ==>TRUE
e) The greatest leap in dinosaur diversity occurred during the Jurassic Period. ==> FALSE
f) There is a correlation between the rise of angiosperms and the diversity of herbivorous dinosaurs during the Cretaceous Period. ==> TRUE
g) There is a significant body of evidence suggesting that dinosaur evolution was responsible for the simultaneous evolution of angiosperms.==>FALSE
<span>Water will travel underground through layers of rocks and soil which are impermeable materials. The statement is FALSE. As the water flows downward toward the underground or the groundwater area, it passes through small and large spaces between rocks. It flows quickly until it reaches the permeable rock.</span>
Answer:
According to a FAO (Food and Agriculture Organization of the United Nations) report, the foreign direct investment in food in countries from Southern America varies from a country to another one. The top countries are:
- Brazil
- Argentina
- Colombia
- Other Southern America countries where is included also Uruguay.