B. 7
Nitrogen's atomic number is 7.
*an element's atomic number is both its number of protons and electrons*
*to find an element's amount of neutrons, subtract its atomic number from its atomic weight*
Background. Plants and animals depend on one another for survival in all of Earth's many habitats. ...
Pollination. Pollination is necessary for plants to create new seeds. ...
Propagation. Another way that animals help plants is by dispersing their seeds to new territory. ...
Fertilization.
Hpe this helps :3
Answer:
pharynx as it has functions in both the respiratory system and the digestive system.
Explanation:
Answer:
Independent - Water/Type of water (salt and pure)
Dependent - Height of plant
Controlled - Amount of water
Explanation:
Independent is what the experimenter manipulates (in this case being the type of water.)
Dependent is what the experimenter measures and is a result of the independent (in this case being the height of plant)
Controlled is what you are trying to keep the same (in this case the amount of water you give each plant.)