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True [87]
3 years ago
7

Which of the following tools should a scientist use to measure an object in meters.

Biology
1 answer:
Mekhanik [1.2K]3 years ago
6 0

Answer:

C. Tape Measure

Explanation:

Thats the best of the options.

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Why do you think that root hairs are produced only on the parts of the root system that have stopped growing?
Triss [41]

Answer:

question no 1 answer

A root hair,or absorbent hair, the rhizoid of a vascular plant, is a tubular outgrowth of a trichoblast, a hair-forming cell on the epidermis of a plant root. As they are lateral extensions of a single cell and only rarely branched, they are visible to the naked eye and light microscope. They are found only in the region of maturation of the root. Just prior to and during root hair cell development, there is elevated phosphorylase activity. Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis. Another adaptation that they have is a large permanent vacuole.

question no 2 answer

Answer: Stems hold the plant upright and support it. They also transport water, minerals and sugars to the leaves and roots.

hope it helps

because i have taken it on by book

5 0
3 years ago
What happens to carbon dioxide molecules in the body cells?​
Olin [163]

Answer:

Carbon dioxide can be transported through the blood via three methods. It is dissolved directly in the blood, bound to plasma proteins or hemoglobin, or converted into bicarbonate. The majority of carbon dioxide is transported as part of the bicarbonate system. Carbon dioxide diffuses into red blood cells.

Explanation:

5 0
3 years ago
As habitats change, populations of northern pine trees that were once separated can now exchange pollen. This exchange of genes
Simora [160]

Answer:

Gene flow

Explanation:

Evolution is the changes seen in the growth, development, features of a certain group of species during the cause of time. Evolution causes changes in the gene frequency of species from one generation to the next generation.

There are 5 important mechanisms of evolution and they are: Gene flow, mutation, genetic drift, natural selection and non random mating.

Gene flow as a mechanism of evolution is the exchange or transfer of genes between a group of species as they move from one place to another. Gene flow can either increase the rate of evolution or decrease it.

6 0
3 years ago
Jane took two identical boxes, one made of black-colored paper and the other made of white-colored paper. She placed one ice cub
JulijaS [17]
The Answer is 
A. Black box,because black absorbs more heat than white
An example is that on a sunny day you were wearing a black t-shirt you would be sweating you bottom off but if you were wearing a white t-shirt you would be less hot and not sweating your bottom off. Why? Because black absorbs more heat rays than white does
6 0
3 years ago
Read 2 more answers
what kingdom has some organisms that use sunlight to make food, while others consume other organisms as their food source
Rainbow [258]

Answer: Plant kingdom!

Explanation: Most plants use sunlight to make food with photosynthesis but others, like the Venus fly trap, consume other organisms. Good luck! :D

7 0
3 years ago
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