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koban [17]
3 years ago
9

What ideas were changing in the scientific community at the time Darwin travels

Biology
1 answer:
Stels [109]3 years ago
6 0

Answer:

One Idea was the appreciation that the age of the Earth was much greater than had hitherto for been imagined.

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What type of chemical bonds would expect to find in ionic compounds ?
Natali [406]

Answer:

It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.

Explanation:

8 0
2 years ago
One day after an uncomplicated spontaneous vaginal delivery, a 23-year-old woman, gravida 1, para 1, has the onset of loss of sm
ololo11 [35]

A hypotonic state of the bladder, or conduct and duration of labor and peripartum bladder management, and the use of epidural anesthesia may all contribute to overflow incontinence.

Overflow incontinence is characterized by uncontrolled, spontaneous passing of urine because of an overfull  bladder.

8 0
3 years ago
Is the sun is the ultimate source for energy on the Earth?
lana66690 [7]

Answer: The given statement is true.

Sun is the ultimate source for energy on the Earth. It is the natural and renewable source of energy on earth as it can easily be renewed and never run off. All living organisms which are present on earth are dependent on food for survival. For this, they become part of the food chain which provides them energy in the form of food. Food chain begins with plants as they are the primary producers in the food chain. They get energy for preparing food from sunlight in the form of light energy.

Moreover, the life forms which existed millions of years ago were dependent on sun for energy. The dead remains of these life forms have provided the non renewable sources of energy like fossil fuels on earth.

Thus, the sun is considered as the ultimate source of energy on the Earth.

4 0
3 years ago
Read 2 more answers
Having freckles (F) is dominant over not having freckles (f). A parent with freckles is crossed with a parent without freckles.
Step2247 [10]

Answer:

This is a trick question, and only because the question is vague

Explanation:

Use a Punnet Square to figure out the percentages.

If the parent with freckles (let's just call them Parent A) is homozygous dominant, their genotype would be FF.  The parent without freckles (Parent B) has a genotype of ff.

In any situation, the probability of these two having a child that is homozygous dominant for freckles is 0%.  (see punnet squares for more info).  

Now here's where it gets a little more confusing because the question is kind of vague on this.

Assuming that Parent A is homozygous dominant (both genes for this are dominant (FF)), then the probability of having a heterozygous (non-identical genotype letters, meaning they carry the recessive trait) genotype is 100%.  However, if Parent A is also heterozygous, then that percentage decreases to 50%

For Situation A (Parent A is homozygous dominant), the probability of a homozygous recessive genotype is 0%

For Situation B (Parent A is heterozygous dominant), the probability of a homozygous recessive child is 50%.

Please see the Punnet square I made for more information.

Key:

- Homozygous Dominant: FF

- Heterozygous Dominant: Ff

- Homozygous Recessive: ff

(heterozygous recessive does not exist, because that would mean one of the genes is dominant, which would overpower the recessive gene)

I really hope this helps, and if you're confused by this, please do not hesitate to let me know!

8 0
3 years ago
Read 2 more answers
15
Sloan [31]

Answer:

COUNTRY/ Material

Explanation:

those are just obvious answers

8 0
3 years ago
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