Answer: B)The continents were once connected.
Explanation:
There was probably some kind of earth quake or drift in the plains/plates causing the land to break into pieces and separate
Answer:
my gut is telling me A because histamine sound familiar
They consist of double-bond and single bond, according to the type of DNA.
Carbon is exchanged, or "cycled" among Earth's oceans, atmosphere, ecosystem, and geosphere. All living organisms are built of carbon compounds. It is the fundamental building block of life and an important component of many chemical processes.
Spanish:
El carbono se intercambia o se "cicla" entre los océanos, la atmósfera, el ecosistema y la geosfera de la Tierra. Todos los organismos vivos están construidos con compuestos de carbono. Es el componente fundamental de la vida y un componente importante de muchos procesos químicos.
Answer:
A. All of these choices are correct.
Explanation:
In pharmacology , drugs play different roles from simple to complex.
as is the above mentioned question drugs can facilitate the transmission of information from one neuron to another so option B is correct.
While the drugs / chemicals can inhibit the transmission of information from neuron to another so option C is also correct.
And the drugs can also be used to cure a whole variety of clinical disorders by playing a role at the synaptic level.
Hence option A All of these choices are correct is the right answer.
