Answer:
cows - They give us milk for calcium & gobar for gobar gas.
BUFFALO -They also give us milk.
dogs -They work as security in our house & they are faithful than others.
CAT- They catch mice from our home & keep our house clean.
GOAT - We domesticate them for the production of meat.
Explanation:
Answer: A penumbral lunar eclipse occurs when the Sun, Earth, and the Moon are imperfectly aligned.
Explanation: During this occurance the Earth comes between the Sun and moon and blocks the sunlight from falling on the moon.
Water is considered to be a polar molecule because one side of the molecule is a different charge than the other side of the molecule
I believe the correct answer is C
Answer:Answer:
For 1: The correct answer is Model 1, 2, and 4.
For 2: The correct answer is Option 1.
Explanation:
For 1:
An element has 3 subatomic particles: electrons (E), neutrons (N) and protons (P).
Atomic number is defined as the number of protons or number of electrons.
Atoms having same number of protons are same. From the given models, Model 1, 2 and 4 have 2 protons with different neutrons. Hence, these models belong to same element.
For 2:
A compound is defined as a substance in which two or more types of elements combine in a fixed ratio. For Example: is a compound made out of atoms of carbon and oxygen.
Hence, the correct answer is Option 2.
