Answer: b. removes nutrients from seawater.
An oil spill is the release of oil which is used to run vehicle in water like boat and ships. The liquid oil like liquid petroleum hydrocarbon are spill over the water. This acts as a chief water pollutant. This oil adds up minerals to the seawater.
a low red blood count can cause feeling of fatigue and weakness.
Digestive enzymes secreted by the pancreas are:
trypsin (a protease)
lipase
maltase
Hormones secreted by the pancreas are:
insuline
glucagon
Replacing the aluminum core of an electromagnet with an iron core would make it to become a stronger electromagnet.
<h3>What is an electromagnet?</h3>
An electromagnet refers to a magnet that is produced by electromagnetic induction. The core of an electromagnetic determines the overall strength of the electromagnet.
Since aluminum is a weaker magnet than iron, replacing the aluminum core of an electromagnet with an iron core would make it to become a stronger electromagnet.
Learn more about electromagnet:brainly.com/question/17057080
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Animals have smaller vacuoles because they can move to get water and plants have bigger vacuoles because they have to obtain it for long periods of time