Answer:
Physical
this type of weathering is known as freezing and thawing
Answer:
Someone wants to have smoke in the air at a laser show because It's the dust particles or mist droplets which reflect the light of the laser. When you see a laser beam, what you are seeing is the beam being scattered by various small particles suspended in the air. ... When people want to show off laser beams, they often add smoke or equivalent to the air.
Answer: The average length of human gestation is 280 days, or 40 weeks.
Explanation:
It is found that few women know the exact day they ovulated or conceived, an ultrasound performed in the first trimester of pregnancy has proven to be the most accurate way to date a pregnancy. ... If the ultrasound date is within seven days after your LMP date, so it will keep your LMP date.
The answer is B because of the pieces of evidence that scientists use to prove continental drift are similar Mountain Ranges, Fossils, and Ice.