Answer:
erosion and a, weatheri g and b
The difference between extrusive and intrusive rocks are how they cool
down. Extrusive rocks cool down quickly and are created by lava; because
of this they have very small, fine-grained crystals. Intrusive rocks
cool slowly beneath the surface of the earth and are created by magma;
because the cooling process is very slow the rocks have very large
crystals.
<u>Answer:
</u>
The day one starts with the first day of your periods when the blood and tissue lining the uterus (womb) break down and leave the body is considered to be the '1st day' of the 'female reproductive system'.
<u>Explanation:
</u>
- The periods, that is the 'first day of female reproductive system' starts during puberty and stops 'permanently at menopause'.
- The menstrual cycle starts with the 'first day of bleeding', which is counted as 'day one'.
- The menstrual cycle stops just before the "next menstrual period". Menstrual cycle normally ranges from 25 to 36 days.
- The periods may last anywhere from '3 to 8 days', but '5 days' is average.
