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podryga [215]
3 years ago
11

The first hominin species known to be standing upright was referred to as?

Biology
1 answer:
nirvana33 [79]3 years ago
7 0
It was referred to as the Homo erectus.
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What changes in energy occur when the bowling ball strikes the pins?
nydimaria [60]

Answer:

please give me brain list and follow

Explanation:

The bowling ball's energy of motion is about to cause a change. ... The collision with the bowling ball changes that. The ball strikes the pins, and some of the ball's energy of motion transfers to the pins. This makes the pins gain motion energy and leaves the ball with less motion energy.

5 0
3 years ago
Describe how an ECG can help an informed individual determine the health of the heart.2) If an individual is experiencing a hear
Xelga [282]

Answer:ECG measures the electrical activity of the heart and how the I pluses travel through the heart... There by showing when the heart is beating normally or abnormally.. It can show an informed mind all this.

2.There are many causes of these but hyperkalemia ie high amounts of potassium in the blood can be a cause

Explanation:

7 0
3 years ago
What is solstice and equinox?
Juli2301 [7.4K]
The summer solstice is the first day of summer. This day, June 21, is the longest day of the year.
3 0
3 years ago
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Select all of the following statements that represent examples of predation. Check All That Apply Deer eat the leaves of a tree.
Fantom [35]

Answer:

A snail eats a clam.

Explanation:

Interactions always occur between organisms in an ecosystem. An interaction between two organisms is called SYMBIOSIS. Symbiosis consists other types which includes PREDATION. Predation is a kind of symbiotic relationship between two organisms in which one kills and feeds on the other in order to obtain energy. The organism that kills is called the PREDATOR while the organism that is killed is called PREY.

In this example, a snail feeding on a clam best represents the example because the snail (PREDATOR) is obtaining energy by killing the clam (PREY). In other options, no organism is killed.

6 0
3 years ago
Amphetamine increase synaptic levels of serotonin because: a. it increases the activity of the VMAT b. it blocks COMT c. it incr
bija089 [108]

Answer:

The correct option is d. it causes exchange diffusion

Explanation:

Amphetamines are synthetic substances with a stimulating effect. Their action lies mainly in increasing synaptic levels of monoamines by various mechanisms, including diffusion exchange through membrane transporters. Amphetamine increases extracellular concentrations of serotonin by displacing the neurotransmitter from its specific presynaptic transporter. When amphetamine binds to serotonin transporters, on the one hand it prevents it from entering the terminal and on the other it reverses the recapture mechanism so that serotonin leaves the synaptic space.

8 0
3 years ago
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