Answer: A. Does the wave require a medium to travel.
Explanation:
Mechanical waves require the presence of a material object to be able to engage in energy transfer. For example, Sound is a mechanical wave that needs a medium to travel such as a solid or liquid.
Electromagnetic waves on the other hand, are able to travel through a Vacuum including that of space and they include all light waves. This is why the sun's light is capable of reaching Earth.
Protein synthesis can be increased by <span>a) turning on gene expression.</span>
Answer:
The nervous system can cause the contraction of all three types of muscle tissue. For example, skeletal muscle contracts to move the skeleton, cardiac muscle is influenced as heart rate increases during exercise, and smooth muscle contracts as the digestive system moves food along the digestive tract.
Answer:100%
Explanation: The relative humidity is 100 percent when the dew point and the temperature are the same
Answer: Both.
Explanation: Plants produce both asexually and sexually. If they produce asexually, they will use mitosis to produce offsprings. Roots can rise up to new plants or they can propagate by budding or cutting. Like a plant's root can be attached to another plant; that energy from the plant that is attached will get it. If a plant produces sexually, it will grow seeds, and those seeds will turn into a fruit.
