Answer:
The true statement is option D. The two major factors determining the Earth's temperature are the Earth-Sun distance and the concentration of oxygen in the atmosphere.
Explanation:
The distance between the sun and the Earth is one of the factors that determines the temperature of the planet. The energy from the sun travels to the Earth, increasing the temperature.
The other fact that has a role in the Earth's temperature is the concentration of oxygen in the atmosphere. It can increase or decrease the temperature according to the amount of this. Oxigen contributes to the greenhouse effect, which helps to keep the temperature in a range that allows life to happen.
Answer:
By measuring the quantity of unstable atoms left in a fossil and comparing it to the quantity of stable daughter atoms in the fossil , scientists can estimate the amount of time that has passed since that fossil formed.
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Answer:
The greater the amount of silica in magma, the more viscous the magma is. The magma thus solidifies quicker as well.
Cays- they are formed when ocean currents transport loose sediments across a surface of a reef to a despositional node
Answer:
B. obese
Explanation:
Since highly developed nations are able to afford more food than low developed nations, there will be many people who become obese due to overconsumption of food and this can lead to many health problems like high blood pressure, diabetes, and stroke which can cause deaths and lower the population in highly developed nations.
