<span>Ferrite Magnets (</span><span>ferromagnetic or ferrimagnetic) </span>are the kinds of magnets in a fridge magnet. <span>A refrigerator magnet is made of </span>powdered ferrite<span> (iron rust) and a liquid binding agent of </span>plastic<span> or rubber. The two are heated, mixed together, and poured into a sheet mold which is then exposed to a strong magnetic field.</span>
Answer: Food groups were coded by stripes in widths corresponding to the recommended servings from each group. All the stripes tapered toward the top of the pyramid to remind people that each food group includes both healthy and unhealthy choices, such as foods with added sugar or “solid” fat.
Explanation:
Explanation:
The living layer of a cell is called cell membrane.
it is also called plasma membrane .
hope it is helpful to you
Answer:
A scientist who studies water and its properties is a hydrologist.
Explanation:
A hydrologist is a scientist linked to the study of water, both surface and underground, detecting cleanliness or contamination and proposing alternatives for its cleaning and conservation.
A hydrologist's research on the properties of water, its location, distribution and circulation contributes to the maintenance of the environment.
The other options are not correct because:
<em> A) </em><u><em>Entomologist
</em></u><em>: a scientist who studies insects.</em>
<em> B) </em><u><em>Chemist
</em></u><em>: a professional who studies the elements and chemical compounds and their properties.</em>
<em> D) </em><u><em>Oceanographer</em></u><em>
: study both oceans and seas, and their relationship with the environment, the atmosphere and the land.</em>
<em> E) </em><u><em>Toxicologist</em></u><em>: study the effects of toxic or harmful substances on living beings and the environment.</em>
The warming of said environment or planet. by emitting carbon and other gasses that create a thin layer of different gasses that trap the heat from the suns rays and breaks down the ozone layer.