I believe your answer is B, Because electrons are clinched to protons, most times, therefor there is not an electron microscope, but a ELECTRONIC Microscope will show the organism on a screen. hope that helped some<span />
Answer:
Energy flow in ecosystem occurs by food chain from producer to consumers. ... Then energy is transfered from producers to consumers, called as heterotrophs. Primary consumers are called as herbivores. Herbivores are eaten up by secondary consumers, called as carnivores.
Explanation:
Numerous barriers can prevent sperm from reaching and fertilizing the egg, this can be that the Sperm may be defected, or lack the required number of mitochondria needed to help move the sperm. Also, if sperm had already fertilized the egg, there is a change that takes place to the membrane surrounding the egg preventing further sperm from fertilizing.
Answer:
<h2>Nails, follicle, fetal
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Explanation:
1. Keratin is the protein that makes up hair, skin, nails and horns in animals. It can also be found in many internal organs and glands. Our Hair is composed of keratin protein, and it is also the primary component of finger and toe nails.
2. Hair is produced from hair follicles. Hair follicles are develop in humans during fetal development, and there is no new follicle production after birth.
to start off its almost inpossible to do but...
Methods of Desalination. At least three principle methods of desalination exist: thermal, electrical, and pressure. The oldest method, thermal distillation, has been around for thousands of years. In thermal distillation, the water is boiled and then the steam is collected, leaving the salt behind.
