A galaxy is a group of stars, interstellar gas, dust, etc.
There are different types of galaxies. They are all categorized by their shape:
Spiral: a spiral galaxy has a disc in the centre and curved arms that come out of it.
Irregular: it does not have a specific shape. It is just a mass of things.
Elliptical: an elliptical galaxy looks basically like a disc in the universe.
I hope it helps. I tried to explain it as easy and as simple as possible!
Answer:
By providing the numbers in which methane is more powerful than carbon dioxide the author is appealing to the scientific facts to convince people that the greenhouse effect is destroying our planet, and that global warming is a reality that we must counter attack and treat as a priority.
Explanation:
For anyone with this question as a multiple choice question, itś D.
Answer:
No, not <em>all </em>organisms.
Explanation:
Hi there,
As you may continue to learn in biology, not all organisms go through the process of mitosis/meiosis. Well known examples are prokaryotes, such as bacteria and archaea, ancient organisms that replicate via binary fission, budding, and/or fragmenting
Mitosis and Meiosis only occur in eukaryotes and unique to them.
thanks,
Compounds are made up of elements.
Elements are the ones we pull straight out from the periodic table.
For example:
H2O, HCl, NaCl, NaOH --> these are all compounds
H, N, B, Ne, Na, Cl, O, K --> these are all elements.
25% will have bb when crossing u have 1 BB 2 Bb 1 bb
