Answer:
Explanation:
Secondary energy resources are those which do not occur naturally but which are obtained from one or more of the primary energy resources. Example: Petrol or gasoline, electrical energy from coal burning, hydrogen obtained by electrolysis of water etc. Non-commercial source of energy: Firewood, cow dung , and vegetable wastes.
Answer:
Genotype:
- 1/4 = 25% TT.
- 2/4 = 1/2 = 50% Tt
- 1/4 = 25% tt
Phenotype:
- 3/4 = 75% Tall plants
- 1/4 = 25% short plants
Ratios
- The genotypic ratio of the progeny is 1:2:1
- The phenotypic ratio of the progeny is 3:1
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
I believe it is C, there are four nitrogenous bases involved. Adenine, cytosine, guanine, and thymine
Answer:
a big change in a insect is called a metamorphosis
Example
tadpole will turn into frog= big change
