Answer:
D. Ribosomes
Explanation:
Rough endoplasmic reticulum (RER) bears ribosomes on it surface which give it granular apperance and they are the site of protein synthesis.
Answer:
the outer layer of the star expands
Explanation:
Gravity pulls gas and dust together. A protostar forms as mass increases. A black hole forms as the core collapses.
Answer:
The element name is : hydrogen
Atomic number : is 1
Number of Protons: is 1
Atomic Mass: 1.008
Number of Neutrons: 0
Number of Electrons is: 1
Explanation:
-Headaches, which may be severe and worsen with activity or in the early morning.
-Seizures. People may experience different types of seizures. Certain drugs can help prevent or control them.
-Personality or memory changes.
-Nausea or vomiting.
-Fatigue.
-Drowsiness.
-Sleep problems.
-Memory problems.
Answer:
A. Objects whose particles are at the same temperature are in thermal equilibrium.
Explanation:
Kinetic theory of heat is the temperature of a body that is determined by the average kinetic energy of its particles. Objects whose particles experience the same temperature are in thermal equilibrium. Thermal equilibrium means the stability of temperature of an object or no change occur in the body's temperature and the temperature remains the same.
