Answer: True
Ocean water is saline. The salt in the ocean comes from rocks on land. The rain falls on the rocks erodes the rocks . The rain being acidic in nature due to the presence of carbonic acid creates ions, or electronically charged atomic particles. These ions are carried away by the streams of rivers and ultimately to oceans. The two of the most abundant ions produced by this process are sodium and chloride. These make up 90% of dissolved ions in the ocean. The concentration of the salt in seawater is about 35 parts per thousand. In other words about 3.5 percent of the weight of seawater comes from the dissolved salts.
Answer:
its true i got it right on the test
Explanation:
Answer:
Abiotic
Explanation:
Answer:
A buckbrush is biotic, beacuse biotic relating to or resulting from living things, especially in their ecological relations.
Explanation:
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b. four fish classes and amphibians, reptiles, birds, mammals and primates.
c. five fish classes and amphibians, reptiles, birds, and mammals.
d. five fish classes and amphibians, reptiles, monkeys, and mammals.
Courtship and mating rituals are diverse and can vary greatly among different animal species. They are typically involved in attracting mates, establishing pair bonds, and ensuring successful reproduction.
1. Courtship and Mating Rituals Exist: Many animal species have elaborate courtship and mating rituals. These behaviors can serve various purposes, such as displaying fitness and attractiveness to potential mates, establishing territory, or demonstrating parental abilities.
2. Absence of Courtship and Mating Rituals: Some animal species may not exhibit elaborate courtship or mating rituals. This can occur in species where mating opportunities are abundant or where the reproductive process is straightforward without the need for elaborate displays.
The presence or absence of courtship and mating rituals can depend on various factors, including ecological pressures, social structure, reproductive strategies, and evolutionary history of the species. Different species have evolved different strategies to maximize their reproductive success, and these strategies can manifest as complex courtship rituals or simpler methods of attracting mates.
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Answer:
what grade
Explanation:
b. mood stabilizer
c. antidepressant