The answer is A. Energy first enters an ecosystem through light energy that is absorbed through photo-synthesizers
Answer:
The male cone
Explanation:
The male cones, which produce pollen, are usually herbaceous and much less conspicuous even at full maturity.
Somewhere around 27-28 I believe
C. The mass of an atom is greater than the combined masses of an atom's protons and electrons.
Existence of a neutron is predicted by Rutherford in 1920. So he explained difference between an atomic mass and an atomic number.
True, this is because they are too small to be studied as if they were an animal, plant, or geological formation such as a rock or crystal.