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iris [78.8K]
2 years ago
13

This object is rocky or metallic and revolves around the sun. Which object is this describing in the solar system?

Biology
1 answer:
kenny6666 [7]2 years ago
4 0
A is the answer youre welcome
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In the snapdragon example, what third phenotype is expressed from the heterozygous genotype?
storchak [24]

Answer:

Pink flowers, a blending of red and white

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Hvad opdagede Mendel under sine forsøg
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Answer:

Basic laws of inheritance.

Explanation:

Gregor Mendel is a botanist which work on pea plants and discovered the basic laws of inheritance. He concluded that genes come in pairs and one gene is inherited from each parent and due to fusion of these genes, a new type of offspring is produced. Mendel also find out that the segregation of parental genes occurs during inheritance process and these genes are appeared in the offspring as dominant or recessive traits.

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Which of the following are necessary for a seed to germinate?
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Answer:

The question lacks options, the options are:

A. moisture content of seed must be at least 9%

B. Moisture content of the seed must be less than 9%

C. certain enzymes in the seed are activated

D. temperature must be above 80 degrees

E. temperature must be below 80 degrees

The answer is A

Explanation:

Germination is practically the very first step of every seed-producing plant. It is the process whereby seeds sprout or begin to grow. Germination requires certain conditions to be met in order to occur. This conditions include presence of moisture in the soil etc.

The water is absorbed by the seed helps to soften the seed coat, which protects the seed from damage. The seed coat ruptures, causing the emergence of growth structures from the seed. In general, seeds need water to activate their dormant physiology. Hence, the moisture content of the seed must not be lower than 9%.

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Which of the following energy transformations occur when humans use energy from food to exercise?
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D. Chemical - mechanical - thermal

Explanation:

D because the food is chemical and the mechanical is the human excersice, and it results in thermal

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