<h2>
Answer: Bolivia and Paraguay</h2>
Explanation:
A landlocked country is a country surrounded by land or lacking access to the sea or the ocean, and in South America there are two countries that have this characteristic: Bolivia and Paraguay.
This is considered a geographical disadvantage, as these countries must incur higher transportation costs in import and export, compared to other countries in the region. In addition, this fact separates these countries from the wealth and commercial activities that occur on the sea coast, such as fishing and maritime trade.
It should be noted that Bolivia previously had coastline and access to the Pacific Ocean, but lost this privilege in the Pacific War, which confronted it, along with Peru, with Chile.
Answer:Explanation:
DE is highly absorbent and will then suck the moisture away from the pest until it dies of dehydration. After coming in contact with the diatomaceous earth, fleas may die in as little as 4 hours, though it is recommended to leave the DE for up to 48 hours(2 day) to ensure its effectiveness.
It remains effective as long as it stays dry, and often takes a week or more to start killing insects. Since the insects may have laid eggs by then, leaving on the diatomaceous earth for several weeks will help prevent a rebound.
Answer:
It's a global navigation satellite system that provides location, velocity and time synchronization. GPS is everywhere. You can find them in your car, phone, and watch.
The Earth is a spherical shape and maps are flat 2-D shapes,so this makes it difficult to size the exact proportions correctly because they just don't mix. It's like trying to make a flat mask for your face.