Answer:
B. They from ionic compounds.
Ionic Compounds is formed by the reaction of Metal and Non-metal.
Answer:
The correct answer is inheritance.
Explanation:
Genetic characteristics are transferred from one generation to another.The mechanism of transfer of genetically determined characteristics from generation to generation is called inheritance.
Genetic characteristics are stored within the sex chromosome of both male(XY) and female(XX).During fertilization when the sperm cells fuses with ovum at that time some characteristics of both male and female gets incorporated into the diploid zygote which give rise to the new organism containing inherited genetic characteristics.
The invention of SONAR disproved the old assumption that sound waves do not travel or propagate through water. The use of sound to echo-locate objects underwater was developed as a response to maritime disasters like the sinking of the Titanic.
Answer:
cortisone is a lipid-soluble molecule hence can pass through the epidermis
Explanation:
Our adrenaline glands secrete various hormones including cortisol (also known as hydrocortisone) and corticosterone.
They belong to a group of steroid hormone bodies known as glucocorticoids and are used in a wide range of physiological processes such as inflammation regulation.
Pharmaceutical derivatives of these natural glucocorticoids include dexamethasone, fludrocortisone, prednisone, prednisolone, triamcinolone, which differ in strength. As all glucocorticoids have a similar effect, they all fall under the common name "cortisone".