The pumping of the heart is tied to the respiratory system
The three observations that could help an individual in distinguising whether the organism is a fish or not is that it should live under water as fish can't survive without water, another thing is that it should laid eggs when it comes to giving birth because when it does not lay eggs but produces a living organism normally without an egg, it is considered to be a mammal and lastly, the appearance it possess such as having gils or fins.
B. Ecosystem. By definition, an ecosystem is composed of both its abiotic and biotic factors. A community is the population of living organisms in an ecosystem, and a habitat is the generally abiotic location in which the community lives, so "ecosystem" can also be thought of as the inclusion of a community and habitat together. "Pure culture" would more closely describe a population that you might grow on a Petri dish, for instance.
Answer:
An advantage of using natural gas
It is fairly safe for use in homes.
Explanation:
They are cheap ,plentifully available throughout the world. It is has multiple uses such as cooking, heating, drying and also for industrial use. It can be used for power generation. Through it plastics, paints and fertilisers can be made. This is the cheapest source for the production of hydrogen. It can easily be shifted from the power plants to the residential areas. It leave any gaseous waste rather not polluting the underground water.
Answer:
Saturation
Explanation:
A solution with as much dissolved solute as it can hold at a given temperature is said to be saturated. The solution is homogeneous since the solute and solvent are evenly distributed in the solution. The solution is saturated however, since no more solute can dissolve at a given temperature.