For a long time, Angola's allies are the countries included in the Soviet Bloc which are Bulgaria, Cuba, Czechoslovakia, East Germany, Hungary, Poland, and Romania. These nations are also allies with the Soviet Union. One known enemy of Angola is the Democratic Republic of Congo.
I think that you can say D.
Hope that this helps you =)
Answer: a. algal bloom
Explanation:
The availability of food in the systems can tell the types and numbers of organisms in the systems by checking which types of organisms eat the food available as well as the quantity available to see the number of organisms.
Temperature and dissolved oxygen levels also play a huge part in determining the feasibility of organisms staying in the system. The availability of nutrients goes hand in hand with the availability of food in determining the organisms present.
Algal bloom is not a factor in determining the types and numbers of organisms found in a system because the conditions that caused this bloom might not be suitable for other organisms as well.
Over fishing is an Threat to earth oceans because many people do over fishing and it can cause extinction of many fishes and can also effect the oceans
so its false that <span>Over fishing is no longer a threat to Earth’s oceans
hope it helps
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They give us informations about our ancestors and how did they live and what did they do and than compare it to present way's of life.
