Answer:
The correct option is (C)
Explanation:
Hypothesis is referred to as an assumption or wild guess that needs to be tested to arrive at a scientifically established theory,
Here, Jill proposes a hypothesis which states that igneous rocks produced by volcanoes constitute some kind of chemical that could be used by scientists to estimate the origin of the rocks.
This hypothesis can be tested only by collecting the rock samples and testing them to arrive at a scientifically proven fact.
Answer:
lightning fatalities more frequent today than as they were in the 1950s .
Explanation:
The frequency of lightning has significantly increased after the 1950s . This is because of global warming or the global rise in the temperature . As the temperature is increasing the chances for the formation of a thunderstorm is also increasing . That's why the more the thunderstorm, the more will be the lightening and the more will be the death fatalities.
According to the date, there is a 50% increase in the lightening in the last 30 years.
EPA is the answer. They keep track of everything.
Types of farming include subsistence farming, mixed farming, nomadic herding, commercial plantation, livestock rearing, etc.
e largest of the continents is Asia, which covers about 17.2 million square miles