Double helix used in a simple 9th grade level sentence and one fact

The arrangement of two nucleotides binding together across the double helix is called a base pair.

In the structure of a double helix, two strands wrap around each other.

There is a major and a minor groove on the double helix.

Two long strands entwine like vines, in the shape of a double helix.

1. glaciers are melting

2. more water going into ocean (water's such as fresh waters, etc)

a: the sheep and waste material both release carbon into the atmosphere.