A fern is an example of a vascular plant!
Answer:
I'm sorry but what exactly is your question?
The greeks believed the Earth was stationary at the center of the universe while objects in the sky revolved around it. The Greek astronomers employed the term Asteres planetai meaning “wondering stars” for star like objects. By the 19th century the word planet thought it hadn’t been defined was the working term applied
Answer:
Any three ways are:
1. Increase in Carbon Dioxide.
2. Loss of both plants and animals.
3. Land slides will take place.
Deforestation affect the world climate by :
1. Averaged over all land and oceans surface.
2. Global warming.
3. Loss of fresh oxygen.e.t.c.
It catalyzes the reaction by making it fast (both forward and reverse reactions).
Naturally, the reaction between CO2 and H2O is very slow in the formation of carbonic acid. However, in the blood, due to the presence of the enzyme, the reaction is much rapid by millions of factors. This is because the enzyme reduces the activation energy of the reactants. The enzyme is important in respiration of cells and in pH regulation,