<u>Using stone to build tools.</u>
Stone was a familiar material that was used in numerous ways.
Answer:
3rd one,4th one and maybe the 1st one.
Explanation:
Hope this helps.
Answer:
3,4
Explanation:
they both go against positive tropism
<span>The effects of stress on the body can and is very extreme, especially on the immune system. Being in a stressful situation causes chemicals that are stress hormones to to be supplied to the body which is useful but too much can interfere with the functions of the immune system. This can cause a greater risk of tissue damage and infection but not only that it reduces the amount of white blood cells.</span>
