There must be
45 electrons, because the number of protons equals the number of electrons
Answer:
1)Carbohydrates 2)Green plants make their own food. They use simple inorganic substances – carbon dioxide, water and minerals – from the air and soil.
Similarly to the siblings which inherit some traits from mother or father, in the process of evolution, two organisms can have some similar traits because they inherited them from a common ancestor. Similarities seen among related organisms suggest that they have a common ancestor.
<span>It is the link between all organisms on earth, binding each into an interdependant ecosystem, in which all species have their role. It is the web of life. The Earth's natural assets are made up of plants, animals, land, water, the atmosphere and humans. If that didn't help sorry</span>