Answer:
we need lymphatic system too,it is as important as circulatory system.
Explanation:
The lypmphatic system is part of the circulatory system, known as lymphatic veesels.
The ozone layer keeps harmful rays from the sun also the atmosphere burns up small deburey from rockets, space trash ex. Also small rocks and particles can get burned before hitting the earth. One of the greatest things is it keeps spefic gasses needed for life like oxygen in the world.
Answer:
Acid pH is <u>1</u> to <u>6</u>, base pH is <u>8</u> to <u>14</u>.
Explanation:
The pH scale ranges from 1 to 14 with 7 being neutral, 1 being the most acidic and 14 being the most alkaline. As you progress further to the left of the scale, substances get more acidic while moving to the right gives you substances that are more alkaline.
Hope this helps :)
Answer:
Cube with length 4cm.
Explanation:
The surface area of cube is 6a^2.
For cube with length 3
A= 6a^2
A= 6 ×(3×3)
=6(9)
= 54cm
For cube b.
A=6(a^2)
= 6×(4×4)
6(16)
= 96cm
The crust is not magnetic near the ocean ridges