Answer:
telescopes
Explanation:
they help see others planets that we could not see with our eyes
Answer:
Matter:
Anything which occupy area ,have mass and can exist in the phases of substances like gas ,liquid and solid phase.
Matters are of two types:
a) Pure substances:
The property of substances are same through out the volume ans it is invariant with place.It have same chemical composition through out.
These are further divided in two parts :
1. Element :
Element can not be separate in to other element by chemical process.These are the fundamental for every element.
2. Compound:
Compound can be separate by chemical process.
Ex : Oxygen element(O), Aluminium element (Al)
b) Mixture :
1)Homogeneous mixture:
It have same composition through out.It is also known as solution.
Ex: Salt water solution,milk water solution
2)Heterogeneous :
It do not have same composition through out
Ex: Mud -water solution,Soup of vegetables.
Explanation:
If gametes were produced instead by mitosis each gamete would be diploid not haploid. During fertilization of diploid gametes, the zygote would become 4n=92. With each new generation the number of chromosomes would double.
Answer:
Nope
Explanation:
Option A will be the answer
Answer:
The increase in population means more food and more water consumption. This results in depletion of freshwater resources from the planet. For example, from the 1990's up till now the global population has increased by 80 million people which demands sixty-four billion cubic meters of water for consumption.
This growth in population will also lead to more water contamination. Studies show that more than 80 per cent of the world's water is contaminated.