Answer:
D
Explanation:
Normally if a scientist isn't present, more mistakes tend to occur and if there is a scientist, they can make more accurate claims and such.
The statement is true. Dead zones are the zones of oxygen depletion, which is caused by excessive running off of the fertilizers into the water body. These chemicals, particularly the nitrates, which are used by algae etc. which bloom by using the nitrates and use the oxygen present in the water. When they die, oxygen levels become critically low till then, for other aquatic animals like fishes etc., to survive.
Child, you have so many gaps in your teeth it looks like your tongue is in jail.
Answer:
It collect data about the universe.
Explanation:
A space probe is a type of spacecraft that travels through space in order to collect information about the universe. In space probes, there is no astronauts present it can be controlled from the earth by scientists. Space probes moves in the universe and collect data then send this data back to the scientists present on earth in order to study. Sputnik 1 was the first space probe which was sent into the space.
