Answer:
In uranium-lead dating, for instance, the radioactive decay of uranium into lead proceeds at a reliable rate. Based on the very old zircon rock from Australia we know that the Earth is at least 4.374 billion years old.
And that's how after rounding we know that earth is 4.5 years old.
Happy St. Patrick’s day too!
The question is referring to primary succession, which begins with the colonization of living organisms in an area that hasn't had any living organisms before.
This kind of succession begins with microorganisms, and plants such as lichens and mosses.
Given that a rock outcrop is a terrestrial environment, lichens (C) are most likely to be the firsts organisms.
Atmosphere, and active volcanoes, such characteristics is shared by mars and earth.
<h3>How do both mars and earth share characterstics?</h3>
- Both the planets have the same area of dry land. This is because two-thirds of the area of Earth's surface is covered with oceans but water is absent on Mars.
- Both Mars and Earth exhibit temperature and atmosphere.
- The geological processes on Mars and Earth are common for example formation of volcanoes, canyons and impact basins.
- Mars exhibits rings but the earth does not.
- Earth exhibit distinct seasons but Mars do not due to reducing and hot atmospheric condition.
Thus, these are the similarity between mars and earth.
To learn more about the planet click here:
https://brainly.in/question/5467276
Answer:
frontal, occipital, and temporal
Explanation: