It is known that the Earth's orbit around the sun changes shape every 100,000 years. The orbit becomes either more round or more elliptical at these intervals. The shape of the orbit is known as its "eccentricity." A related aspect is the 41,000-year cycle in the tilt of theEarth's axis.
1. is (A) because mouse and deer are not in the same ecosystem.
2.is (D) because both antelope and domestic cattle do not affect each other.
3. is (B) because food is important factor.
4.is (C) because without home it is not possible to adapt in an ecosystem.
Answer:
the humus contains the minerals necessary for chlorophyll synthesis
Explanation:
<em>The yellowness of leaves in plants can be attributed to inadequate chlorophyll in the plant</em>. The chlorophyll is responsible for the greenness appearance of the leaves of plants and when it is present in inadequate quantity, the leaves appear yellowish in color.
<u>Some of the minerals necessary for the formation of chlorophyll include magnesium, nitrogen, and iron</u>. It thus means that the humus supplied to the soil of group 1 plant has the necessary minerals to synthesize chlorophyll while the soil of group 2 plants is deficient in some or all the minerals required for chlorophyll synthesis.
Answer:
...
Explanation:
Bohr's model of the atom states that electrons orbit an atom's nucleus in electron shells of increasing energy. ... Thomson's model, or the plum pudding model, it describes atoms as spheres of positively charged matter, in which electrons are embedded in
Without matter theyre is no nature
