Answer:
Naci is a dangerous acid. For ex suphiric acid . when you test this acid you realised that' it is dangerous because of its widespread use. Naci means Nitric acid collide with other acid that don't make any reaction with other acid.Its has own reaction With sodium hydroxide forms to perform a neutral solution.
Unoxygenated blood from veins enters the right atrium then it goes down to the right ventricle then out through the pulmonary artery to the lungs where it becomes oxygenated blood which then enters the heart through the pulmonary veins and it goes to the left atrium and then is pumped down to the left ventricle and out through the aorta to the arteries where it travels to different organs and becomes deoxygenated and then the cycle repeats itself.
Answer:
dissolved oxygen
Explanation:
it is because every animal whether on land or water needs oxygen.
Answer:
I think its C but you can choose B&C
Explanation:
A (and D) is not the answer because natural disaster dosent matter with temperatures.
An emergency appointment is to deal with a life-threatening medical issue. For example, someone having an allergic reaction. An urgent appointment is for a medical issue that is time sensitive, but can wait a little while. For example, a sprained ankle.
