Answer:
4.26
Explanation:
Let the green-melon parents be Gg, then we expect the cross with the yellow-melon plant gg so as to produce 50% Gg and other 50% of gg offspring. What we observed was that 53 green and a 41 yellow. Based on the total number of 94 offspring , we expected half and a half ratios to be 47 of each color.
Observed(o) Expected(e) (o-e)

Green-melon plant 53 47 6 36 0.766
Yellow-melon plant 41 47 -6 36 0.766
Therefore the chi-square value is 1.53 which is less than the critical value of 3.84. Therefore, the null hypothesis is accepted.
Answer:
the balloon and soda can will do nothing, while the two balloons will repel each other
Explanation:
opposites attract and the soda can is too heavy to be attracted to the balloon
Answer:
<em>The correct option is D) too few workers to support an aging population</em>
Explanation:
A positive population growth can be referred to as a situation when the population of a country is rising.
A negative growth population is referred to as a situation when the population of a country is becoming lesser. As a result of this negative population growth trend, there will be fewer workers to support the aged people. Also, there will be lesser people working for the economy of the country.
Answer: C. Above the kingdom level
Explanation:
Hierarchical classification can be defined as the system of grouping living beings according to the level or orders. Domain secures the highest taxonomic rank in the biological hierarchical classification system. This lies above the Kingdom level. The life forms are classified into three domains, which are Archea, Eukarya and Bacteria.