Answer:
Food is necessary to digest because food we eat is made of macromolecules.
Explanation: Macromolecules such as carbohydrates, proteins and lipids which are made of many small molecules i. e. glucose, amino acid and fatty acid respectively. Our body absorb food in the form of glucose, amino acid and fatty acid so it is necessary that the food is broken down into these small molecules.
Answer:
The results of restoration of this kind can include improved habitats for fish, birds and other wildlife, protection against flooding, better water quality, enhanced recreational opportunities, and increased economic opportunities through activities such as commercial fisheries and tourism.
Explanation:
Answer:
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Explanation:
1 )
The five steps of the scientific method
Step 1: Ask a question or identify a problem. A scientist learns about the universe by observing
Step 2: Background research.
Step 3: Form a hypothesis.
Step 4: Experiment and observe.
Step 5: Draw a conclusion.
2 ) Matter is the stuff that makes up the universe everything that takes up space and has mass is matter. All matter is made up of atoms, which are in turn made up of protons, neutrons and electrons. Both atoms and molecules are held together by a form of potential energy called chemical energy.
3 ) Some physical characteristics of matter are shape, color, size, and temperature. An important physical property is the state of matter. The three fundamental phases of matter are solid, liquid, and gas.
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2.1 false, Salive breaks down starch as it has amylase enzyme
2.2 true
2.3 false, small intestine
2.4 true
2.5 true
I’m not sure of all of my answers so i’m sorry if i got anything wrong.
