It a comet that streaks through earth atmosphere. Cause more than 90 percent of meteorites are of rock, while the reminder consist wholly or partly of iron and nickel
If you use chemicals to kill insects, you could risk getting the chemicals in unwanted areas. This could kill plants, animals, and other living things. You could also contaminate water if the chemicals get rinsed/drained into a water source.
<u>A cat is lying on its abdomen with its limbs extended. The view of the </u><u>tarsus</u><u> in this position would be called </u><u>Plantarodorsal (PID.)</u>
What is plantarodorsal?
- The sole of the foot, also known as the plantar region, is the part of the foot that touches the ground.
- The dorsum of the foot, also known as the dorsal region, is the part of the foot that faces upward.
What part of the foot is the dorsal?
The dorsum of foot is the area facing upwards while standing.
What is dorsal and plantar flexion?
Plantar flexion describes foot movement contracting muscles in the sole of the foot while its opposite motion, dorsal flexion or dorsiflexion, describes movement toward the upper side or back.
Learn more about plantarodorsal
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Answer:
The appearance of free oxygen in the Earth's atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing oxygen which developed into multicellular forms as early as 2.3 billion years ago
Explanation:
To clarify what I said here are some questions to help!
How did oxygen first appear?
Whiffs in the air is how oxygen first appeared billions of years ago.
For the most part, scientists agree that oxygen, though lacking in the atmosphere, was likely brewing in the oceans as a byproduct of cyanobacterial photosynthesis as early as 3 billion years ago
When was oxygen found?
2.33 billion years ago
Since its first appearance 2.33 billion years ago, oxygen accumulated in high enough concentrations to have a weathering effect on rocks just 10 million years later.
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