Flowering plants reproduce by fertilization even if they are immotile by having their pollen be attached to the wings or bodies of other animals that touch them. This process is called animal pollination in which animals help to switch the genetics between different plants.
Diffusion is the movement of particles across a semi-permeable membrane from a lower concentration to a higher concentration
Answer:
A substance that cannot be broken down into chemically simpler components is an element.
A substance that can be broken down into chemically simpler components (because it has more than 1 element) is a compound. Example: Water id a compound composed of elements hydrogen and oxygen.
Answer:
The second picture showing big rocks with the gaps between where they touched empty.
Explanation:
The figure shown in picture 2 will be the most porous as it does not comprise of any blocking particles. I t will be well sorted and will allow small molecules to easily pour through it.
On the other hand, the other figures like figure 3 will not have much porosity as the path is blocked by many large and small rocks in the image. Hence, it is not the correct option.
