Mainly to make life easier.
if one layer changes than scientists don't need to change all of their data.
it also helps keep organized.
hope this helped
ebs02
:)
Elements that have atoms with full outer shells of electrons
Are inert
Hi! conservation is the major goal of the feridal government when managing land resources.
Answer:
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
Answer:
it is phylum Coniferophyt
Explanation:
Because it is 4,600 years old, therefore that is the organism thought to be the worlds oldest living tree.