Answer: True
Explanation:
The index fossil are the fossils that are of animals and plants that remained preserved in the rock of the earth. It describes the particular span of the geological time or the environment. An index fossil can be easily recognized, is widely distributed and abundant.
The index fossil is the basis for defining the boundaries of the geological time scale with the correlation of the strata.
Those organisms which exhibited the short vertical range that is the life span on earth and the wide lateral range that is geographic distribution can be included as index fossil.
These fossils are indicative of the environment in which the organism used to live.
The correct answer is - A famine in Ireland prompts US response.
With the Irish famine of the 19th century, and the response to it by the United States, we have a very nice example of domestic influence on foreign policy.
Namely, the Irish potato famine was so bad, that very large percentage of the Irish population actually died, and the rest of the population was on the verge of starvation. Because of this, lots of people wanted to move out of the country in order to at least be able to have food on the table. This prompted a response from the United States, and they made an exception in their strict foreign policy because of the Irish people, so opened their borders to them in order to help them, thus letting them settle in the country.
1:50 000 because 1/100 is only one of a hundred 1:50 is one and a half of one hundred
Explanation: At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
a solar eclipse, when the moons shadow comes between the sun and earth
