The number of covalent bond an element can form depends on the number of electrons it has in its outermost shell (valence electrons). Carbon has four valence electrons, therefore, it can form maximum of four covalent bonds in an organic compound.
Answer:
O Microscopic models move at a much faster rate than large-scale systems
Explanation:
In the passage it reads, " This small sample of the biosphere changes just like a large-scale ecosystem, except this microscopic model moves at a much faster pace"
Hope this helps :3
One action humans can take that might ensure that these sea otters will continue their function as
a keystone species in their environment is to (2) pass laws to regulate the hunting of sea otters.
