Answer:
There are two main factors that make ocean water more or less dense than about 1027 kg/m3: the temperature of the water and the salinity of the water. Ocean water gets more dense as temperature goes down. So, the colder the water, the more dense it is. Increasing salinity also increases the density of sea water.
Cardiac muscle is found in only the heart because the heart is also called cardiac and said to have cardiac muscle.the answer is b. hope this helps :)
The following statement is false: MOST US STATES PROHIBIT THE IMPORTATION OF ANIMAL SPECIES LIKELY TO BECOME INVASIVE IF THEY ESCAPE INTO THE WILD.
Presently, most US states do not have any law, which prohibit people from bringing into the US animal species that are likely to become invasive.
Invasive plant and animals are a great source of problems in America. These species usually destroy habitats and native species, this usually throw the ecological communities out of balance. The government spend as much as $120 billions every year to control these invasive species.