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N76 [4]
3 years ago
14

The time between 542–488 million years ago marks which period?

Biology
1 answer:
d1i1m1o1n [39]3 years ago
8 0
This is known as the Cambrian Period.
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Which is an adaptation?
xeze [42]
Hello there.:D

Which is an adaptation?A. A dog is trained to catch a ball.
B. A person learns how to do math.
C. A rabbit has fur that blends in with snow
D. A bird breaks its wing in an accident.

C. A rabbit has fur that blends in with snow


3 0
4 years ago
What is the main reason that species are being lost to extinction?
Blizzard [7]
The main reason for the species extinction is for the ecological changes.
4 0
3 years ago
BRAINLIEST!! Would the mass of the light bulb change as it travels from Earth to the Moon. Why or why not? please explain in a c
Shtirlitz [24]

Answer:

The light bulb will have the same mass on the moon as it will on earth. The mass of an object will not change if the gravitational pull on the object changes, but the weight of the object will. For instance, if you measure your mass on Earth and then measure your mass on the moon, your mass will remain the same. The same theory applies to any object with mass.

Explanation:

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6 0
3 years ago
Read 2 more answers
Scientists describe a period called the Great Acceleration, in which human activities began significantly altering global system
victus00 [196]

<u>Answer:</u>

The invention of agriculture, advances in medical technology that have greatly reduced the human death rate and he rapid increase in the uses of fossil fuels, fertilizers, metal ores, and other resources.

Option: (A), (C) and (D)

<u>Explanation:</u>

  • The Great Acceleration refers to the humanity’s impact upon the Earth’s geology and its ecosystems caused by continual and surge in growth of human activity.
  • It was first recorded in mid-20th century and is continuing to this day. The 'invention of agriculture', advancement in medical technology which reduced the death rate, rapid increase in use of 'fossil fuels', 'fertilizers' and other resources contributed to global changes.
  • Agriculture allowed us to produce more food and population increased rapidly.
  • Fossil fuels created a surge in production of Green House Gases and global temperature began to rise.
4 0
3 years ago
Sodium (Na) and potassium (K) are in the same group in the periodic table. Sodium is in the 11th position. How many valence elec
Rama09 [41]
Potassium is just below the sodium in periodic table in s group !

so the valence electron of sodium and potassium is same and that is 1 !
6 0
3 years ago
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