Adam was the first men of earth
Answer:
All the options are correct except for option D)
Option D
Explanation:
All the statements have to do with weather conditions in India between October and November.
The correct version of that statement features the Sun and not the moon.
The movement of the Sun refers to how it changes position when observed across the Earths horizon. Also, the degree of change in position of the Sun accross the horizon is greater as one moves farther away from the equator.
Cheers
Answer:
A and C
Explanation:
The rock layers must have formed at different times because they contain two different biozones. The rock layer containing the trilobites must have formed before the one containing the ammonites. The key thing to note here is that the Trilobites only lived from 540 to 248 million years ago. And that the Ammonites were from 245 to 65 million years ago. So there's a 3 million year gap between these 2 different creatures where neither of them existed. So the dig where the trilobites were found has to be at least 3 million years older than the dig where the Ammonites were found. So with that in mind, let's look at the options and see what makes sense.
The rock layers must have formed at the same time because they both contain biozones. * This is nonsense no matter what dates you're speaking of. In effect it claims that all rocks that indicate life were created at the same time. So this is definitely a bad choice.
The rock layers must have formed at different times because they contain two different biozones. * This is technically incorrect since it assumes that all biozones represent an unique period of time which is incorrect. However, since the biozones represented by the presence of Trilobites and Ammonites don't overlap, it is true that these these rock layers were formed at different times. I would have preferred if this option said "non overlapping biozones". But on the balance, I'd consider this option to be true, so it should be selected.
The rock layer containing the trilobites must have formed before the one containing the ammonites. * This is definitely true since the last Trilobite died about 3 million years before the first Ammonite lived. So this is a correct choice.
The rock layer containing the trilobites must have formed after the one containing the ammonites.
* This is the opposite of the previous option. And since the previous option was true, this option must be false. So this is a bad choice
Answer:
Earth circumference is 25000 miles
correct option is 25,000 miles
Explanation:
we have given here Alexandria to Syene distance = 500 miles
the sun is 1/50th of the circumference of the sky (about 7°)
as we know that Earth circumference done by astronomer Eratosthenes in 240 B.C
He observe on a particular time of day ( in noon) during the summer solstice
and there was no shadow in Syene in Egypt so This was verified that the sun must be directly on overhead and not at an angle to the surface of the city at that time
so
In Alexandria he measured the position of sun at the same time and found it to be nearly (1/50)th of a complete circle
it would be 7.2 degree (when we do 
= 7.2)
so 2 reference points being 2 cities for the sun
all measure circumference = the distance between these two cities × 50
and we have given 500 miles
so
Earth circumference = 500 × 50
Earth circumference is 25000 miles
correct option is 25,000 miles
Answer:
The western and central European section of the plain covers all of western and northern France, Belgium, The Netherlands, southern Scandinavia, northern Germany, and nearly all of Poland; from northern France and Belgium eastward it commonly is called the North European Plain.
Explanation:
The North European Plain is a European region that covers Denmark, Poland, Germany, Belgium, Holland, and small parts of northern France and the Czech Republic. Some research accounts also include the southern United Kingdom, east Russia, Baltic States like Estonia, Latvia, Lithuania, and Belarus as part of this expansive plain. The North European plain also has lowly elevated plains tucked between the Central European Highlands on the south and on the coastlines of the Baltic Sea and North Sea to the north. The Baltic and the North Sea are divided by the North Jutland Peninsula which is also the nation of Denmark. The Great European Plain is formed where the North European Plain connects to the East European Plain. The Northern European Plain also occupies the territory under the Baltic Sea. Due to the plain's unique surface features, its geological structures are keenly studied by researchers.
Features
As part of the Great European Plain, the North European Plain lies below 500 feet in altitude, and has a relatively flat terrain. As a result, drainage is poor and frosty deposits cover much of the region and plain. The North European Plain also has several rivers like the Rhine, Oder, Weser, Elbe and Vistula. Along the Rhine River in the Netherlands, there is a well developed transport system, and a vibrant agricultural area making the area around it be densely populated. The plain is amongst the most fertile lands that are utilized for commercial farming in the world. There are also tiny farms strewn in the countryside of the North European Plains. The temperate climate and the average amount of rainfall in the North European Plain allows for growth of seasonal crops like maize, wheat, and rye. This makes the plain in the North European wheat belt region. Due to the plain’s fertility and flat terrain, it is among the most densely populated territories in Europe. The rivers that crisscross the North European Plain also draw in a large human population due to guaranteed water supply.
