Answer:
arms and shoulders
Explanation:
at least with me, after I lift weights, I do this and I can feel the focus on my arms and shoulders. It hurts like a b though lol
C) The population continues to grow :)
Answer:
The 3.9 billion year old rock has undergone three half-lives (3.9 divided by 1.3 = 3). After 3 half-lives, 12.5% of the potassium-40 remains undecayed.
Explanation:
H2O(l)-> H2(l)+O(g)
as the trees transpire releasing gaseous water. Water would decomposed to release O.
Answer:
Option 2, Arousal
Explanation:
Reticular activating system (RAS) or the ascending arousal system consists of nuclei and tracts and is involved in the regulation of wakefulness, sleep aspects and arousal.
RAS is located in the mesopons and interacts with the basal forebrainand thalamocortical systems. It activates the cerebral cortex and thereby maintain the consiusness. The neurons located at the pontomesencephalic junctionparticipates in this activity of arousal.
Hence, option 2 is correct
