Answer:
presence or absence of a protective covering over the ovule
Explanation:
In angiosperms, seeds develop from ovules and are enclosed in the ovary. So, their is the presence of protective covering making the seeds enclosed.
On the other hand, gymnosperms have seeds that are borne on cones, so they are naked due to the absence of any protective covering over the ovule.
I think it’s all of the above because they can all be found in the air and in water sources
Answer:
Since the early 1900s, many glaciers around the world have been rapidly melting. Human activities are at the root of this phenomenon. Specifically, since the industrial revolution, carbon dioxide and other greenhouse gas emissions have raised temperatures, even higher in the poles, and as a result, glaciers are rapidly melting, calving off into the sea and retreating on land.
Explanation:
X–ray technologist diagnose images of patients by using x-rays.
Nuclear medicine technologist perform diagnostic tests of patients by giving small dose of a radioactive drug.
Submarine sonar technician operate submarine sonar, oceanographic equipment and submarine auxiliary sonar.
Nuclear Physicist Radar and Sonar technician operates and maintains highly advanced radar and sonar equipment.
Air Traffic Controller who are well organized, are quick with numeric computations and mathematics.
MRI Technologist operates MRI equipment and produce clear images of bones, organs.
Solar astronomers study the sun's systems and characteristics, such as its atmospheres, magnetic field, and storms.
<h3 /><h3>What GPS technician do ?</h3>
GPS Technician map and survey an area under the direction of a surveyor, cartographer etc
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