The appropriate answer is the peristaltic muscle muscle contractions.
Peristalsis, involves involuntary movements of the longitudinal and circular muscles, primarily in the digestive tract but may take place in other hollow tubes of the body, that occur in progressive wavelike contractions. Peristaltic waves occur in the esophagus, stomach, and intestines.
Answer:
It's polar.
Explanation:
It has lots of hydrogen bonds.
Thermal energy from your hand will affect it by your hand warming from holding the ice cream cone
Answer:
i. boron
ii. silicon
iii. germanium
iv. arsenic
v. antimony
vi. tellurium
vii. polonium
Explanation:
Elements that have appearance and properties of a metal but behave like non-metal in certain conditions are called <em>semi-metals</em> or<em> metalloids</em>. On the periodic table, they are found between metals and non-metals. Examples are astatine, polonium, tellurium, antimony, arsenic, germanium, silicon, boron.
<em>Some of their properties that make them look like metals are:</em>
i. They exist as solids at room temperature.
ii. They are shiny.
iii. They are ductile.
<em>Some of their properties that make them look like non-metals are:</em>
i. They are brittle.
ii. Not very good conductor of electricity compared to metals.
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