The cosmological principle makes assumptions that provide scientific guidelines to enable its study.
Answer:
B) The first shell only holds 2 electrons so the 3rd electron had to go in the second shell.
Explanation:
Electrons fill up from smallest to largest, the first electron shell only holds 2 electrons, so the remaining electron had to go to the second shell.
The answer is proglottids.
When tapeworm infect the intestine, it will attach a segment that consist of a part with many eggs called proglottids. The proglottids will constantly produce eggs. If the worm is removed but some of the proglottid leave behind, the infection would be recur, so it is important to remove all proglottid
Comparative and experimental investigations are two of three scientific investigations, the other is descriptive investigations.
--hope this helps--
A true fruit is a ripened ovary that usually starts ripening when it is
fertilized. And vegetable is any vegetative part of the plant which is
edible and contains stored food probably in the form of starch.
These
definitions are not exact as there are a lot of fruits which are fruits
but do not strictly follow the given definition. See Syconus, Composite
fruits, Sorosis.etc
Classification is based on several different
criteria, for example the mode of reproduction, arrangement and design
of flowering parts and flowers and also on the basis of habitat and
habit.
