New Guinea is administratively divided into two parts: its western half comprises the Indonesian propinsi (or provinsi; provinces) of Papua and West Papua (collectively, formerly called Irian Jaya); and its eastern half comprises the major part of Papua New Guinea, an independent country since 1975.

3 0

2 years ago

1. what causes the phases of the moon? 2. why does the planet Venus show phases similar to those of the moon? 3.How do eclipses

Mama L [17]

Answer:

As given as under.

Explanation:

1. The phases of the moon are caused due to the earth's rotations on its axis and the moon rotation around the earth in its elliptical orbit. Certain phases f the moon are caused due to the sun and moon positions about that of the earth on the full moon, new moon and half-moon days. Most of the time we see the same face of the moon.

2. Planet venus show similar properties to that of the moon as both the moon and venus have are made up of same gem material like earth and being a terrestrial planet the venus and both revolve on in the same opposite direction of the earth thus earth sees the same phase of the venus as in the moon.

3. A solar eclipse occurs when the moon blocks the rays id sun and a ring-shaped formations take place when the earth comes in way of the or between the moon and sun the shadows of the earth fall on the moon and hence lunar eclipse takes place.

4. The north star also called the Polaris star seems to change its position for the southern hemisphere, but as for the northern hemisphere, it remains the same as being the north star the equatorial belt the star remains or shows the same side. Due to the rotation and axial tilt of the earth.

5. The cause of sunrise and sunset is mainly due to the sun and the earth's movement around the horizon in the opposite direction and there is 12 hours gap.

4 0

2 years ago

Why do algal blooms form and what do they ultimately cause?

Lemur [1.5K]

Answer:

Algae Blooms

Explanation:

Algae bloom is a rapid accumulation proteins and amino acids that creates the generation of algae in freshwater or marine water ecosystem as a result the discoloration of the water takes place. The blooming can influence animals and sea creatures in harmful ways as they tend to block the sunlight and deplete the oxygen levels and excessive blooming can be seen as an example of Red tides caused by pigmented algae.

6 0

2 years ago