The reason why nost scientists thought that the first true cells formed on Earth were anaerobic is being shown in the second option :B. because there was no oxygen on early Earth. Paying attention to this fact scientists discovered that first cells were prokaryotes and greatest part of them created oxygen as a toxic by-product of their own metabolism which make them understand how the planet was provided with oxygen and made a conclusion that first cells were anaerobic.
I believe it is because the sun is directly over us which cause more heat since it is beating down. be sure to get a second opinion
velocity= distance / time
your distance is 180 miles
your time is 3 hours
180 divided by 3 = 60
A. objects made of crystals minerals water and air
Process of elimination-
there isn’t organic matter in rocks so D is out
they are made of minerals so B is out
some types of rock (pumice) have air bubbles in them so A is more likely than C
Answer:
I am pretty sure ir is true
Explanation:
costal marshes are where high level of other life like fish and insect are
