<span>In invertebrates both nitrogenous and digestive wastes are eliminated through the anus because the anus is part of the excretory system of the body. It is the opening of the body that is at the opposite end of the mouth after the digestive tract. The anus is found at the end of the alimentary canal where solid waste materials are excreted because they are no longer needed by the body. </span>
B.
The onset of puberty is unique to individuals and varies from one person to another.
Answer:
Option D, Five radish plants are grown in sunlight, while another five radish plants are kept in the dark.
Explanation:
In a controlled experiment, impact of one independent variable is studied on the dependent variable.
Here in this study sunlight is the independent variable while the radish plant is dependent variable.
The researcher wants to study the effect of sunlight on radish plants when they are exposed to it and compare it to the effect created on radish plants that are kept in dark.
Hence option D is correct.
D maybe?
Depends on the behaviour :/ ah idk <span />
Synthetic organic pigments are derived from coal tars and other petrochemicals. Inorganic pigments are made by relatively simple chemical reactions—notably oxidation—or are found naturally as earths. Inorganic pigments include white opaque pigments used to provide opacity and to lighten other colours.