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vesna_86 [32]
3 years ago
12

Fiona wants to use the scientific method to answer the question "Do oxygen levels in the air of photosynthesis?" She reads about

photosynthesis in her biology book and is ready to carry the next step. should she do next? O perform an experiment design a procedure make observations a hypothesis
Biology
1 answer:
Stella [2.4K]3 years ago
5 0

Answer: hypothesis, prediction, design experiment, carry out experiment, etc

Explanation:If the question is supposed to be, is there a connection between atmospheric oxygen level and photosynthesis, then the next step would be to frame the hypothesis, which could be, for example,

“photosynthesis requires oxygen”,  and a prediction such as,,

in a closed system, photosynthesis will reduce the oxygen level, or even photosynthesis does not proceed without oxygen.

and a format to test the hypothesis (design an experiment)

perform the experiment

collect data

analyse data

(of course, in this case, the data will support the null hypothesis).

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DaniilM [7]
Anti- inflammatory combined with a local anesthetic that offers short term pain relief for degenerative disc disease. So a positive effect , in some cases saline can flush out chemicals that can cause the inflammation providing even more pain relief.
8 0
3 years ago
These genes are 30 units apart on chromosome III. In this problem, you will calculate what crossing over in the female contribut
Damm [24]

Answer:

This exercise is incomplete. The response options are as follows:

a) e+ ca+

b) e ca

c) e ca+

d) e+ ca

The answer is c) e ca+ and d) e+ ca

Explanation:

The Punnett square is a diagram used by biologists to calculate the probability that an individual has a particular genotype. In the Punnett square, each of the possible combinations for the expression of the dominant and recessive alleles can be observed. In the case of exercise, since a crossing is not possible in men, these will only help later during the combination of the alleles.

7 0
3 years ago
We decide to classify all ways that substances can move across a membrane into two groups: assisted by proteins and not assisted
Sonja [21]
The previous statement is true because if a substance cannot get into a cell membrane it is assisted via protein channels however if it doesn't need the protein channels then it just flows through the membrane.
8 0
3 years ago
True or false the consumption of irradiated food during pregnancy can cause birth defects
guajiro [1.7K]

Consumption of irradiated food during pregnancy can cause birth defects is false.

<h3>What are birth defects?</h3>

Birth defect in pregnancy are the structural or functional abnormalities occur during intrauterine stage. It can be detected either prenatally or in infancy state.

The primary causes are genetic, Socioeconomic, Environmental and other factors.

Chromosomal abnormalities and single gene defects are the major genetic abnormality based birth defects, such as Down syndrome and cystic fibrosis etc.

When parents are related by their blood group can also leads to high risk of rare  genetic birth defects.

Hence, the statement is false

Learn more about birth defect, here:

brainly.com/question/9483070

#SPJ4

8 0
1 year ago
The general who directed the project responsible for the "Fat Man” graduated from what alma mater in 1918?
Oliga [24]
<h3><u>Answer;</u></h3>

-The name of the general was Leslie Richard Groves Jr. He Graduated fourth in his class<u><em> in the U.S. Military Academy at West point.</em></u>

<h3><u>Explanation;</u></h3>
  • <u>The name of the general was Leslie Richard Groves Jr. He graduated from the United States Military Academy of West point in the year 1918.</u>
  • As an engineering aide, He led a small team of workers who helped produce the exterior casing of "Fat Man," a nuclear bomb dropped on Nagasaki, Japan, that hastened the Japanese unconditional surrender three weeks later.
6 0
3 years ago
Read 2 more answers
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