Answer:
it increases for a while and then decreases
C
Explanation:Only answer where they are trying to protect
Answer:
b) aorta
Explanation:
On contraction of the atrium, the atrioventricular valves open and push blood to their respective ventricles. Oxygenated blood from the left atrium moves to left ventricle. On contraction of ventricles, semilunar valves open and oxygenated blood from left ventricles is pushed into the aorta, a major artery which distributes blood to the body cells through different arteries.
P Waves are compressional and the fastest moving seismic wave
S waves are slower than P waves and they can only travel through solid rock. S waves move the particles it pushes through up and down or side to side.
We depend on forests for our survival, from the air we breathe to the wood we use. Besides providing habitats for animals and livelihoods for humans, forests also offer watershed protection, prevent soil erosion and mitigate climate change.