The correct answer is actually A) The block would have friction and a dynamic cart could be used.
I have a screenshot attached.
Hope that helps!
Good luck! :)
Water, proteins, and ions as well as waste such as co2. It is often a straw color and it makes up about 50-60% of the total blood volume
Answer:
Explanation:
Wave generators harness the power of breaking waves which are disturbances that transmits energy to produce electric power for homes and industries.
This energy source is choice by many because it is environmentally friendly.
Here are some of the disadvantages;
- Threats to marine ecosystem especially those organisms that resides on the continental shelf where most these generators are installed.
- It can pose serious damage to the beach natural outlook as energy waves can be periodically discharged.
- Disruption of ships and vessels that might dock near the beach.
- Noise pollution generated by the plant is undesirable.
- The seasonality of waves might cause fluctuations in power generation.
Answer:
The correct answer is: Mucus membrane.
Explanation:
- The lining of the epithelial tissue forming the mucus membrane contains some specialised cells which are called the Goblet cells.
- These cells secrete a slippery substance called the Mucus.
- The Mucus is a dense, aqueous and slippery substance that is composed of anti-microbial enzymes like lysosyme, immunoglobulins (antibodies) and glycoproteins like mucins.
- The mucus secreting cells line the internal tracts of the body that come into contact with outside environment, like the respiratory tract, alimentary canal, urino-genital tract.
- If any microbial pathogen gain access into any of these tracts the lysosyme in the mucus causes the microbial cells to undergo lysis, hence killed.
- The immunoglobulins, on recognising a pathogen, activate the immune cells of the body to fight against the intruding pathogen.