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elena-s [515]
3 years ago
14

A day is based on the_______ it takes Earth to rotate. *fill in the blink please*

Biology
1 answer:
bija089 [108]3 years ago
3 0
A day is based on the TIME it takes the Earth to rotate
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Many organisms could potentially provide new medicines for human use, making which of the following crucial?
Sindrei [870]

Answer:

A. Genetic Biodiversity

Explanation:

All in all, many products that make up food, medicine, and supplies for humans are enhanced by the components of biodiversity.  

Similarly, a lot of components that make up our medicines usually come from environments that have extravagant amounts of biodiversity.

Case in point, the country of Madagascar is where most of the formulas of our medicines come from, and it has some of the most vibrant & biodiverse tropical forests in the world.

6 0
3 years ago
What substances are returned to the blood before it leaves the kidneys?​
bekas [8.4K]

Answer:

The process is called reabsorption.

The substances that are returned are glucose, amino acids, water and salt. Hope this helped

6 0
3 years ago
Major gene reshuffling takes place during what phase of meiosis?
ExtremeBDS [4]
The answer is prophase of meiosis I.

Meiosis is a reducing cell division during which the number of chromosomes is reduced by half in the daughter cells. It consists of meiosis I and meiosis II. Major gene reshuffling takes place during meiosis I. This exchange of genetic material between homologous chromosomes is known as the crossover. Homologous chromosomes are present only in the meiosis I. They pair up during prophase of meiosis I. When they are paired up during prophase I, it is obviously that gene reshuffling takes place during prophase I.
6 0
3 years ago
Which of the following does not cycle quickly?
Scorpion4ik [409]

Answer:

Is there and multiple choice options?

Explanation:

8 0
3 years ago
HELP ASAP I WILL GIVE BRAINLIST
adelina 88 [10]

Answer:

1) CO₂

2) 0.2551 g

Explanation:

The balanced reactions are:

CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂

MgCO₃ + 2HCl → MgCl₂ + H₂O + CO₂

1) The gas produced is CO₂.

2) Calculate mass of CaCO₃:

(0.5236 g) (0.4230) = 0.2215 g CaCO₃

Convert to moles:

(0.2215 g CaCO₃) (1 mol / 100.1 g) = 0.002213 mol CaCO₃

Find moles of CaCO₃:

(0.002213 mol CaCO₃) (1 mol CO₂ / mol CaCO₃) = 0.002213 mol CO₂

Convert to mass:

(0.002213 mol CO₂) (44.01 g / mol) = 0.09738 g CO₂

Calculate mass of MgCO₃:

(0.5236 g) (0.5770) = 0.3021 g MgCO₃

Convert to moles:

(0.3021 g MgCO₃) (1 mol / 84.31 g) = 0.003583 mol MgCO₃

Find moles of MgCO₃:

(0.003583 mol MgCO₃) (1 mol CO₂ / mol MgCO₃) = 0.003583 mol CO₂

Convert to mass:

(0.003583 mol CO₂) (44.01 g / mol) = 0.1577 g CO₂

Total mass of CO₂:

0.09738 g CO₂ + 0.1577 g CO₂ = 0.2551 g CO₂

8 0
3 years ago
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