Two Groups of Tomatoes Were Grown Under Laboratory Conditions, One

question 34

Multiple Choice

Two groups of tomatoes were grown under laboratory conditions, one with humus added to the soil, and one a control without humus. The leaves of the plants grown without humus were yellowish (less green) compared with those of the plants grown in the humus-enriched soil. The best explanation for this difference is that ________.

• A) the healthy plants used the food in the decomposing leaves of the humus for energy to make chlorophyll
• B) the humus made the soil more loosely packed, so water penetrated more easily to the roots
• C) the humus contained minerals such as magnesium and iron, needed for the synthesis of chlorophyll
• D) the heat released by the decomposing leaves of the humus caused more rapid growth and chlorophyll synthesis

Understand the concept and computation of partial sums in geometric sequences.

Apply knowledge of financial mathematics to calculate annuity balances and total payouts.

Apply the binomial theorem and Pascal's triangle to solve binomial expansion problems.

Compute binomial coefficients and understand their properties.

---

Definitions:

Assertiveness

The quality of being self-assured and confident without being aggressive, crucial for effective communication and respecting one’s own rights while acknowledging those of others.

Functional Conflict

Conflict that supports the goals of the group, improves its performance, and is a healthy and constructive disagreement.

Cognitive Origin

Relates to the mental processes involved in the acquisition of knowledge, understanding, and perception.

Fixation

An obsessive focus or attachment to a person, concept, or object that inhibits growth or change.