A toothbrush that has toothpaste in the middle so it comes preloaded. That way it is cleaner and uses more product than normal
<span>They have similar or common ancestor. The similarities inherited from the common ancestor as in the case of homologous organs. In evolutionary biology a group of organisms share a common descent if they have a common ancestor. There are many other examples like in the case of hemoglobin to prove the theory of common ancestor</span>
Answer:
Explanation:
In this case, according to the Periodic table
there is 1g of hydrogen per mole. As we know that dihydrogen (H2) has two hydrogen atoms per molecule. So,there will be 2*1g hydrogen per mole=2g dihydrogen per mole.
If there is 2g dihydrogen per mole,and we have 4g,then we know that there is 2 mole dihydrogen in 4g.And for hydrogen there is 4 moles in 4g of hydrogen
Answer:
Preserving natural resources such as farmland, parks, open spaces and unused land is one way to reduce urban sprawl. Preserving the land keeps it as is. Thus, wildlife and animals aren't removed from their homes and forced closer to cities and suburbs
Answer: science is the systematic way of gaining knowledge about nature
