Answer:
just let me know when you get here
If the coast-to-coast distance is about 2900 miles, it will take about ...
... (2900 mi)/(186000 mi/s) ≈ 15.6 ms
for the signal to travel coast-to-coast at light speed.
_____
There are time delays due to the amplifiers and repeaters required in the path, and due to the fact that the signals don't actually travel at the speed of light in a wire.
A test of internet speed between Seattle and Washington, DC shows a round-trip time of about 87 ms when traffic is light. Modern communication channels tend to be faster than the telegraph (especially when measured in words per minute).
Answer:
Food security comprises of availability, access, utility and stabilization.
Explanation:
Food security is a measure to check the availability of food to individuals and their affordability being a prime factor. In other terms, it means that everyone has a sufficient amount of health food i.e it can be measured by calorie intake per person to lead healthy lives.
Food availability in developing countries is cause and an effect of several factors like poverty, status, political stability and infrastructure etc. Most of developing countries in the world have an undernourished or are malnourished population . Mostly in the African countries and the Asian countries like Afghanistan, Domenico republic of congo and Mexico which is dealing with acute food insecurity. As compared to developed countries like in Australia and North America have low food insecurity but they still face global water crisis, land degradation and impact of climate change along with food wastages.
Programs that help developing countries reach food security goals.
Use of genetically modified crops.
Boosting agricultural science and giving agricultural insurance.
Making food security gender-equal.
Reducing land-use changes.
Answer:
A. Making it easier to communicate around the world.
