A model places Earth at the center of the solar system, with the Sun and planets revolving around Earth. A. scale B. geocentric C. heliocentric

B. Geocentric

Explanation:

Geo means Earth, and centric means "in the center". So a geocentric model of the solar system would mean the Earth were at the center of the solar system, with the Sun and planets revolving around the Earth.

d. in sexual reproduction, offspring have more chromosomes than

either parent.

asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). sexual reproduction produces a random mixture of the genetics derived from both parents

explanation:

air, water, heat and noise pollution can all be caused by producing and using technology. consuming resources - non-renewable resources, including precious metals like gold, are used to make technology