Answer:
500-million-year-old fossil found in BC is ancient ancestor of spiders and scorpions. Palaeontologists in British Columbia have found a fossil of the oldest known ancestor of scorpions and spiders.
<span>I believe the answer is c.appositional growth.
In appositional growth, there will be a new layer formed after the cell finish the previous layer. </span>Endochondral ossification and intramembranous growth is the big classification of bone formation. Interstitial growth related to cartilage growth. E<span>piphyseal ossification happens in both ends of long bones.</span>
Answer:
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Explanation:
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The answer is (D)
Composting helps in manufacturing of manure which is very very healthy for the plants.
Reusing , reusing plastic bags can be helpful for the environment
Recycling , can be used to convert plastic into other useful substance , which is an advantage for the environment.
Incinerating is the process of burning waste materials , due to this , there is a smoke emission which is very harmful for the environment.
Answer:
The mass number is the sum of protons and neutrons. This means to find the number of neutrons you subtract the number of protons from the mass number. On the periodic table, the atomic number is the number of protons, and the atomic mass is the mass number.
