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stealth61 [152]
3 years ago
7

Solar, wind, and hydroelectric energy are examples of resources.

Biology
2 answers:
strojnjashka [21]3 years ago
7 0

Answer:

Renewable Energy Resources.

Explanation:

Unlike fossil fuels which cannot be recovered when destroyed, these sources of energy can be recovered by a means of recycling . Recycling here reduces solid wastes which is one of the causes of land pollution.

Hydroelectric schemes can only be built in mountain regions where rainfall and rivers are plentiful which involves upset of aquatic ecosystem. This poses a dangerous pollution problem though.

Wind generators and solar panels are not very efficient energy producers. However, future schemes for producing solar energy via solar satellites are promising.

lesya [120]3 years ago
4 0

Answer:

the answer is renewable

Explanation:

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Endosymbiotic theory is supported by similarities between chloroplasts and * Cyanobacteria Viruses Yeasts None of the above
stiv31 [10]

Answer:

Endosymbiotic theory is supported by similarities between chloroplasts and * Cyanobacteria.

Explanation:

The endosymbiotic theory proposes that mitochondria and chloroplasts were once free-living bacteria that were phagocytized by another cell but not digested. These bacteria got to adapt to their host, and both cells became interdependent.  

Both organelles have many similarities with other free-living bacteria. Chloroplasts probably derivate from cyanobacteria because both cells absorb sunlight, produce ATP, and organic molecules. And mitochondria derivate from rickettsias because they produce ATP in the same way by using the Krebs Cycle and Oxidative Phosphorylation.

From the phagocytosis moment, these two cells became so dependant on each other, they could not survive without the other one.  

Chloroplasts and mitochondria share some traits with free-living bacteria, that support the theory.  

• Both organelles present their genetic material. This DNI is independent of the cells´ DNA, is bi-catenary and circular, identical to the bacterial DNA, and very different from the one of the eukaryotic cells.

• Both organelles divide by binary fission, not by mitosis, and can synthesize their ribosomes and organelles.    

• Both organelles present a double membrane, a characteristic that reinforces the idea of being phagocyted. The internal membrane looks identical to the bacterial membrane, while the external membrane looks like the eukaryotic one.  

In fact, in this internal membrane are placed the energy centers, just as it occurs in bacterias membrane.  

• Finally, the sizes of the organelles are similar to the size of some procaryotes

6 0
2 years ago
Briefly describe the initial experiment in which dr. folkman accidentally observed an important connection between tumor growth
Karolina [17]
Http://www.pbs.org/wgbh/nova/cancer/folkman.html

I believe this website will help :)
7 0
3 years ago
tendons of the rotator cuff muscles hold the head of the humerus to the glenoid cavity of the scapula
AnnZ [28]

The rotator cuff muscles hold the head of the humerus to the glenoid cavity of the scapula with subscapularis, supraspinatus, infraspinatus, and teres minor muscles' tendinous.

What is rotator cuff muscles?

The rotator cuff is a collection of muscles in the shoulder that supports stability of the glenohumeral joint while allowing for a large range of motion. The following muscles make up the rotator cuff: Subscapularis. Infraspinatus. Minor Teres.

What is glenoid cavity of the scapula?

The term "glenoid fossa" refers to the glenoid hollow. The pectoral girdle's lateral scapula bone, often known as the shoulder blade, has a slight dip there.  The glenohumeral joint connects the upper limb's humerus to the glenoid cavity.

The subscapularis, supraspinatus, infraspinatus, and teres minor muscles' tendinous insertions combine to form the tendinous band known as the rotator cuff. During joint motion, these muscles support the humeral head's rotation against the glenoid fossa.

Therefore, the rotator cuff muscles hold the head of the humerus to the glenoid cavity of the scapula with subscapularis, supraspinatus, infraspinatus, and teres minor muscles' tendinous.

Learn more about rotator cuff muscles from the given link.

brainly.com/question/9486780

#SPJ4

7 0
1 year ago
Plant Kingdom to spcises
horrorfan [7]
Plant Kingdom to species is 24,000 or more species are broken up into three groups/division: Mosses, Liverworts, and Hornworts.
6 0
3 years ago
Read 2 more answers
A bird flies from its nest going north for 2 hours at a speed of
Strike441 [17]
Consider the nest to be (0,0)
The bird first flew 40 km (20x2) up and then 45km (15x3) left
So the final coordinates would be (40, -45)
5 0
3 years ago
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