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Leni [432]
3 years ago
9

I’m pretty sure there is 3. Can someone help me?

Biology
1 answer:
MissTica3 years ago
6 0

Answer:

D. rigidity and shape that's why in plants they stand upright for photosynthetic process.

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What are the four classes of nutrients?
Harrizon [31]

Answer:

Nutrients are grouped into macronutrients and micronutrients. Carbohydrates, proteins, fats and water are macronutrients, and vitamins and minerals are micronutrients. Although most foods are mixtures of nutrients, many of them contain a lot of one nutrient and a little of the other nutrients.There are six major nutrients: Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water.

hope this answer helps you.....

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7 0
2 years ago
THREE USES THAT CELLS MAKE OF THE ENERGY RELEASED BY ATP
Katarina [22]

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ATP provides the energy needed for many essential processes in organisms and cells. These include intracellular signaling, DNA and RNA synthesis, Purinergic signaling, synaptic signaling, active transport, and muscle contraction.

Explanation:

3 0
3 years ago
A wave with a frequency of 0.5 Hz and a speed of 10 m/s has a wavelength of a. 50 m. c. 20 m. b. 0.5 m. d. 0.2 m. Please select
Blababa [14]
The correct option is c. (20 m) .
As the formula to calculate wavelength is :
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8 0
3 years ago
Methods used to help control invasive species
Margaret [11]
1. Biological control is the intentional manipulation of natural enemies by humans for the purpose of controlling pests.
2. Mechanical control includes mowing, hoeing, cultivation, and hand pulling.
3. Chemical control is the use of herbicides.
7 0
3 years ago
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Dysmenorrhea refers to pain or discomfort during menses.<br> a. True<br> b. False
Elanso [62]

Answer: True

Explanation:

Dysmenorrhea can be define as a condition in which pain occurs during menstrual cramps, that is due to uterine contractions.

Primary dysmenorrhea can be define as commonly occurring menstrual cramps. The secondary dysmenorrhea results from a disorder and pain in the reproductive organs.

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