In his study of pea plants, Gregor Mendel used Cross-pollination method to produce offspring.Therefore the answer is b.cross-pollination, by using parents that had different traits. The traits of two different organism can be seen in the microscope.
Answer:
Step-by-step explanation:
By geometric mean theorem:
By Pythagoras Theorem:
Again by Pythagoras Theorem:
Given:


To prove:

Solution:
The two common proof is:
Statements Reasons
1.
1. Given
2.
2. Given
3.
3. Transitive property of congruence.
Hence proved.
Given:
The expression is

To find:
The value of the given expression when y=-5.
Solution:
We have,

Putting y=-5, we get




Therefore, the value of the given expression is 50 when y=-5.