Answer:
Red because that's the color we see.
A) sulfide mineral: Contain sulfur plus a metallic element
B) sulfate mineral: Compounds that have a sulfur atom surrounded by four oxygen atoms
C) halide minerals: Contain elements like fluorine, bromine, iodine, or chlorine combined with metals. Stable salt is an example of this type of mineral
D) carbonate mineral: Compounds made up of a carbon atom that is bordered by three oxygen atoms.
Answer:
For recessive traits to be observed, dominant genes must be absent.
Explanation:
There are 3 possibilities for the genes: AA, Aa, aa.
in both AA and Aa, there is a dominant gene present. If a dominant gene is present, it will always show the dominant trait.
In aa, there is no dominant gene present, and there are only recessive genes. Because of this, the recessive trait is observed!
Answer:
Forward chaining as the name suggests, start from the known facts and move forward by applying inference rules to extract more data, and it continues until it reaches the goal, whereas backward chaining starts from the goal, move backward by using inference rules to determine the facts that satisfy the goal.