Explanation:
The most common and fastest way of measuring ocean depth uses sound. Ships using technology called sonar, which stands for sound navigation and ranging, can map the topography of the ocean floor. The device sends sound waves to the bottom of the ocean and measures how long it takes for an echo to return.
Several factors have been considered before the construction
was started. This includes the wildlife in the area and certain precautions
have been made for their benefit and protection. This part of the Mojave Desert
was chosen because it has the best potential in absorbing the sun’s energy rays
at anytime of the year thus giving the assurance that the solar power supply
will be enough all year round.
Steam radiators and hot water radiators are very similar, so much so that in many cases they are interchangeable. Many homes have been converted from steam to hot water heating systems (and vice versa) without having to change the actual radiators.
The most obvious difference between the two is that a hot water radiator is always equipped with two connections: hot water goes into the radiator on one side, and the cooled water leaves on the other. Steam radiators can have either one or two connectors: hot steam can enter on one side, and condensed water can leave either through the same pipe or through a pipe on the other side.
While it is certainly best to use a steam radiator for steam and a hot water radiator for water, in some cases a switch between the two will require only a few simple operations.
( info from homeadvisor.com)
Answer:
a. positive ion , +1
b. negative ion , -1
c. ionic
9. NaCl, NaBr , NaF
Explanation:
sorry i'm in a rush i couldn't do the rest but use the internet
Answer:
high flyers its pretty expensive and it takes the longest to build
