Answer:
Explanation:
exothermic reactions involve release of heat whereas endothermic reaction involve absorption of heat.
<span>Blood pH has an ideal level of about 7.3 to 7.4. It is important for the pH ofblood to remain constant because if your blood pH varies, itcan be deadly.<span>hope this helps </span></span>
<span>Igneous rock that cools very quickly when it forms may have a texture that is smooth and shiny with no visible grain.</span>
Answer:
1 and 2
Explanation:
when we r adding chlorine to water
the water is clean
Answer:
Hello, Your answer is <em>B) Making observations</em>
<u><em>(Hope That Helps Your Answer)</em></u>
