Precambrian era six facts that help describe the Precambrian Era?

Answers

Answer 1

Answer: from 5 billion to 570 million years ago
divided into Archean and Proterozoic eons
80% of Earth's time period

and that is all I know
hope this helped

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Which process does not occur in animal cells

Answers

Answer:

Photosynthesis does not occur in animal cells

Chloroplasts are food producers of the cell.
The organelles are only found in plant cells and some protists

The branch of biology dealing with interactions among organisms and between organisms and their environment is called

Answers

I believe this study is called ecology.

The most accepted theory about the origin of Earth is that it formed by a process called planetary _____. differentiation accretion condensation mixing

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Answer:

The most accepted theory about the origin of Earth is that it formed by a process called planetary accretion

Explanation:

The most accepted theory about the origin of Earth is that it formed by a process called planetary accretion. In this process, the Earth is believed to have been formed from a cloud of gas and dust that remained following the Sun's formation. This cloud of gas and dust is referred to as the solar nebula.

Differentiation refers to the process by which the various layers of the earth were formed; core, mantle, and crust

Answer:

It's Accretion

Plant roots can grow through cracks and what?

Answers

They can also grow through ice.

Answer:

Plant roots can grow through dirt

Five hundred million years ago, basaltic lava flowed in an area now known as Monticello, the historic home of Thomas Jefferson. Some of this rock has since re-crystallized under intense heat and pressure and then has been eroded by wind and rain. The order of the rock cycle in this case is BEST described asA)
metamorphic, igneous, sedimentary.
B)
igneous, sedimentary, metamorphic.

C)
igneous, metamorphic, sedimentary.

D)
metamorphic, sedimentary, igneous.?

Answers

Igneous (because of the lava), metamorphic (because of the pressure and heat), sedimentary (because of the erosion) is the correct order for rock cycle.

What is rock cycle?

The rock cycle is a fundamental concept in geology that outlines the various transitions that take place between the three primary types of rocks throughout the course of geologic time. These rock types include sedimentary, metamorphic, and igneous. When a certain rock type is disrupted from its equilibrium circumstances, it undergoes transformation.

Sedimentary rock, igneous rock, and metamorphic rock are the three primary categories of rocks. The rock cycle is comprised of a series of physical processes, including melting, cooling, eroding, compacting, and deforming, each of which is responsible for the formation of a certain type of rock.

Learn more about rock cycles, here:

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Igneous (because of the lava), metamorphic (because of the pressure and heat), sedimentary (because of the erosion).

An abandoned field starts out with grass as the only plant species. After a few years, trees start to grow in the field. How will the trees most likely impact the biodiversity of the abandoned field?A. The number of plant species will decrease, and the number of animal species will increase.
B. The number of plant species and the number of animal species will both increase.
C. The number of plant species and the number of animal species will both decrease.
D. The number of plant species will increase, and the number of animal species will decrease.

Answers

Answer:

Explanation:

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