Food chewed by teeth breaks into small pieces, and is mixed with saliva during chewing.
<span> cellular respiration this is the name given
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Answer:
The
y say that a rock layer found closer to Earth's surface is lower in age as compared to the soil present in the Ma rock layer that is deeper in Earth's surface.
Explanation:
Different layers of soil have different ages because with the passage of time, new layers are formed on the upper surface of lower layer. Age of lower layer is higher that the age of the upper layer. The layer which is present deep in the soil is about millions of year old while the layer that is present at the top is between 10 to 100 years of age due to the deposition of soil particles by the action of wind.
<span>Some minerals have different hardnesses. Some minerals are harder than the streak plate and, therefore, will not leave a marking. Only those that are softer than the plate will be able to leave a streak. Those harder than a 6.5 Mohs reading will possibly scratch the plate itself.</span>
Answer:
Option D.
Explanation:
Scientific method is the method of experimentation that is used in science to explore observations and answers to questions on natural world. It involves making observations, formulating hypothesis and conducting scientific experiments.
Scientific processes is the end result of scientific method. It involve step by step approaches use to carry out scientific experiments about natural world.