A. when evaluating a source for reliability, if they are talking about a product from a company that sponsors them they may not be honest, or if they are sponsored by a reliable company they can be trusted it depends what way you look at it.
Answer:
C6H6 - organic compound
K - element
Cl2 - inorganic elemental molecule
SO2 - inorganic compound
Explanation:
An organic compound contains carbon and hydrogen bonded covalently . Sometimes other atoms aside from carbon and hydrogen called heteroatoms are also found in organic compounds. C6H6 is an organic compound.
Elements are found in periodic table. They always occur in uncombined state. K is an element.
Cl2 is an inorganic elemental molecule containing two chlorine atoms bonded covalently.
SO2 is an inorganic compound composed of sulphur and oxygen bound covalently. Mnay inorganic compounds do not contain carbon
I think the hydra lacks the specialized cells for touch and chemical detection. On the other hand earthworms have touch, light, vibration and chemical receptors along the entire body surface. Both of them are invertebrates (those animals without a backbone), they include insects, worms, jelly fish, spiders among other animals.
The nucleus is an organelle found ineukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.
A) Natural selection
Hope this helps I took bio ;)
