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snow_lady [41]
3 years ago
7

A scientist performs an experiment. His results do not support his hypothesis. Which of these should the scientist do?

Biology
1 answer:
Tju [1.3M]3 years ago
4 0

Answer:

He should repeat the experiment and check for any unknown errors. He should do that because he might have made an unknown mistake that could have messed up his outcome.

Explanation:

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Please help me with this chemistry question!!!I'm stressed!! ​Sorry this is not biology.
lianna [129]

Answer:

100 g sodium carbonate and 100g calcium chloride

3 0
3 years ago
Explain 3 factors that contribute to the abuse of alcohol, tobacco and other drug abuse.
Softa [21]

Answer: Family, Social and Neglect

Explanation:

Family Risk Factors: Family risk factors include childhood maltreatment in which the parent child relationship, marital status of parents, level of understanding among the family members also influences the abuse of alcohol and drug abuse.

Social Risk Factors: The society in which the person or child is living also influences the drug, tobacco and alcohol abuse. A teenage easily gets influenced by the society and place where they are living.

Neglect: If a person feels neglected emotionally by the partners or parents then there is an increased chance of alcohol or drug abuse. If the important necessities of life such as education, clothes, food is fulfilled by the guardians then also there are  chances that a person might get towards alcohol and drug abuse.

8 0
3 years ago
How does cytokinesis differ in animal and plant cells? What is it called in each? Use a picture to help your explanation.
Amiraneli [1.4K]

Answer:Plants - cell wall forms.

Animals - cleavage furrow forms

Explanation:Cytokinesis occurs in mitosis and meiosis for both plant and animal cells. The ultimate objective is to divide the parent cell into daughter cells.

In plants , this occurs when a cell wall forms in between the daughter cells.

In animals , this occurs when a cleavage furrow forms. This pinches the cell in half.

6 0
3 years ago
Shifting plant populations are an example of biological change.A change in temperature is a physical change.Why do biological an
MA_775_DIABLO [31]

Answer:

Organisms depends on physical and biological factors of an ecosystem.

Explanation:

Biological and physical changes cause shift in an ecosystem's populations because the population of organisms depends and greatly affected from the environmental factors such as temperature, moisture etc. These environmental factors causes change in the physical features of an ecosystem so when these changes occur in physical factors, it greatly affected the population of organisms.

3 0
3 years ago
The major difference between angiosperms and gymnosperms comes from the _____.
kumpel [21]

Answer:

presence or absence of a protective covering over the ovule

Explanation:

In angiosperms, seeds develop from ovules and are enclosed in the ovary. So, their is the presence of protective covering making the seeds enclosed.

On the other hand, gymnosperms have seeds that are borne on cones, so they are naked due to the absence of any protective covering over the ovule.

4 0
3 years ago
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