Water, which is a chemical compound of hydrogen and oxygen in the ratio two hydrogen atoms for every oxygen atom, contains H2O molecules.
A thicker atmosphere, which would scatter more sunlight, make the sky look bluer and lower the air temperature.
Answer:
There are many reasons why teachers should take children on a field trip. Some of them are:
1) The children tend to learn more form field trips.
2) Planning to visit cultural areas allow students to learn and visualize the cultural heritage of a city.
3) The children are better able to communicate with one another.
4) The teachers can get a better understanding about any child from a field trip.
5) Once in a while, some fun must be added to the schedule of the children and what better way other than a field trip.
Answer:
C
Explanation:
Cells are a basic unit of life and that without cells you don't exist as a living being. Also, all the other answers have a flaw in them like in question A... not all cells are the same size. For question B and D... not all cells have the same, parts or organelles since for plants they have chloroplast while animals don't. Eukaryotes have membran- bound organelles and a nucleus while... a Prokaryote doesn't etc...
Natural selection is the correct answer
