Water has a very high specific heat. This means that it requires a large amount of heat to raise the temperature of water.
The reason why it has this property is due to water's hydrogen bonding.
There part of the cell wall and they guard the big nugget
Yes a plant has either a haploid gametophyte phase or a diploid sporophyte phase but not both
How does a new hypothesis replace an older explanation of something in the natural world? To understand this let us look at one of the classical example of geocentric theory and heliocentric theory. The geocentric theory states the Earth is at the centre of the solar system and the Sun, Moon, and all the other planets revolve around it. This ancient theory failed to explain the phenomenon like the phases of Moon, solar eclipse and lunar eclipse. The modern heliocentric theory which states that the Sun is at the centre of solar system, and all the planets including the Earth revolve around it. This theory was able to explain all the phenomenons unlike the geocentric theory. Hence the heliocentric theory replaced the geocentric theory.