What are the primary sources of ionizing radiation? Give examples of each.

Option A : the fern transitined from gametophyte generation to sporophyte generation.

In school, Brendan has been conditioned to get up from his seat every time he hears the school bell ring.

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The Parker probe.

Explaination:

for six years an artificial fertilizer is used on a apple orchard the orchard is next to a stream which empties in to a slat water bay during the last 5 years researchers have observed an increase in algae in the bay they have also sampled fish populations in the bay each year apex...

One parrot species that feeds on large seeds nests is in the same tree as a parakeet that feeds on small seeds, they occupy different niches.

B)Phosphorus has a larger atomic mass.

As we move right in the periodic table, both atomic number and atomic mass increases. Magnesium comes under S-block elements (Group 2) and Phosphorus comes under P-block elements (Group-15).

Angelica suffers from lupus disease.people with this disease are extremely sensitive to sun light.

Rank the following cities in order of earthquake risk from high risk to low risk:

Fungi are a food source for animals and humans. Fungi produce oxygen to breathe. Fungi destroy rocks and minerals. Fungi are natural recyclers.

D. The population density of beetles will decrease.