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Evgen [1.6K]
3 years ago
12

When did the dinosaurs die?

Biology
1 answer:
Aleksandr-060686 [28]3 years ago
7 0

Answer:

65 million years ago

Explanation:

At the end of the Cretaceous Period. Dinosaurs became extinct at the boundary between the Cretaceous and Paleogene eras, about 66 million years ago, at a time when there was worldwide environmental change resulting from the impact of a large celestial object with the Earth and/or from vast volcanic eruptions.

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Hat percent of electricity in the UK will come from renewable sources by 2010? a. 1% c. 10% b. 5% d. 40%
Snowcat [4.5K]

Answer:

C, 10%

Explanation:

For the year of 2010, it's definitely 10%

7 0
3 years ago
The plentiful nature of resources in the tropical rainforest reduces competition for them.
Lina20 [59]
That statement is false

The plants still have to undergo a fierce competition in order to obtain sunlight. The taller trees will obtain more sunlight while overshadowing the smaller one.

Meanwhile , even though there are a lot of food resources in the rain forest, it also have many animals that compete for the same food.

7 0
3 years ago
Read 2 more answers
In skeletal muscle, the area that is composed only of both thick and thin filaments is the
Angelina_Jolie [31]

Answer:

A-Band

Explanation:

Sarcomere is the basic unit of skeletal muscle and shows various striations under the microscope.

Anisotropic band or A-Band is the portion of sarcomere that contains both the thick and thin filaments . A-Band appaers dark under the microscope. Thick filaments are consist of actin and thin filaments consists of myosin.

I-Band contains only thin filaments of myosin. H- zone contains only thick filaments and no thin filament. Sarcomere is the unit of a skeletal muscle. Synapse is the junction between two neurons.

Thus, the correct answer is option (A).

8 0
3 years ago
Who developed the two-part naming system scientists use today to classify newly found organisms?
Artist 52 [7]
Carl Linnaeus- developed the two-part naming system scientists use today to classify newly found organisms
4 0
3 years ago
An obese client who has been diagnosed with peripheral artery disease (PAD) should be advised to do which of the following?
gizmo_the_mogwai [7]

Answer:

Option D, strive for 20-30 minutes for continuous aerobic exercise daily

Explanation:

Peripheral Artery Disease (PAD) is caused by development of  plaque in the arteries which is commonly termed as atherosclerosis. The plaque reduces or limits the flow of blood which can leads to failure of organs such as kidney, may cause foot or leg amputations, and in severe cases PAD may cause heart attack, cardiac arrest or stroke. In general, a person with PAD is recommended to do treadmill walking as it allows the better flow of blood which was earlier restricted by the plaque

Hence, option D is correct

3 0
4 years ago
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