Algae grow when they have the right conditions such as adequate nutrients (mostly phosphorus but nitrogen is important too), light levels, pH, temperature, etc. Generally the amount of phosphorus controls the amount of algae found in a freshwater lake or water body. The more nutrient-enriched a lake is, typically the more algae in the lake.
They are not made of cells and they cannot reproduce on their own.
Amber has allowed scientists to study DNA that has been preserved over millions of years.
Responder: Un pronóstico de siete días puede predecir con precisión el clima alrededor del 80 por ciento del tiempo y un pronóstico de cinco días puede predecir con precisión el clima aproximadamente el 90 por ciento del tiempo. Dado que no podemos recopilar datos del futuro, los modelos tienen que usar estimaciones y suposiciones para predecir el clima futuro.
Answer:
Rotation is when an item or object (specifically the earth) rotates on it's axis.
Revolution is when an item (the earth) orbits or "revolves" around another one (the sun).
The rotation of the earth determines how long a day lasts while the revolution (or orbit) determines how long a year lasts (with all of the season).
Also you don't have to put the ones in the parentheses ()
